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Questions in Grade High-school

[Done] Simplify $(3 x^3 y^2-5 x y^4-2 x y)+(2 x^3 y^2+5 x y^4+3 x y)$.

[Done] If $h(x)=5+x$ and $k(x)=\frac{1}{x}$, which expression is equivalent to $(k \circ h)(x) ? $\frac{(5+x)}{x}$ $\frac{1}{(5+x)}$ $5+\left(\frac{1}{x}\right)$ $5+(5+x)$

[Done] What punctuation should end this sentence: 'I like the story'? A. ! B. ? C. . D. , What do you call words that describe strong feelings? A. Nouns B. Emotions C. Demonstratives D. Pronouns Directions: Write TRUE if the statement is correct and FALSE if it is not. 6. Demonstrative pronouns include 'this' and 'that'. 7. We use capital letters at the start of sentences. 8. Sequencing helps us tell events in the wrong order. 9. 'The Guardians of Wawa Dam' is a factual news article. 10. Sight words must be sounded out every time.

[Done] How did the Berlin blockade escalate the Cold War? Check all that apply. - The US Air Force bombed East Germany as a result. - The Soviet air force bombed West Germany to defeat the blockade. - The Soviet Union tried to control Berlin through the blockade. - The United States and the Soviet Union went to war to control the city. - The Soviet Union and the United States began to act more aggressively.

[Done] Mark recorded the number of push-ups he did each day for a week. His results were: 20, 25, 30, 25, 35, 20, 25. Based on the data: What is the mean number of push-ups Mark did per day? What is the median number of push-ups? What is the mode of the data?

[Done] From the following particulars, prepare the Proprietor's Capital Account for the year 2022: Apr. 1: Started business with ₹45,000 May 10: Withdrew ₹10,000 from bank for personal use July 15: Further capital introduced ₹55,000 Aug. 20: Goods withdrawn for personal use ₹4,000 Sept. 21: Life insurance premium paid ₹5,000 Nov. 24: Income tax paid ₹12,000 Mar. 31: Profit for the year ₹36,000

[Done] One way to prevent unauthorized access through Wi-Fi is to regularly test access point security, such as encryption, firewalls, and other privacy features. True False

[Done] Define transformation of energy. Illustrate it with two examples.

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Which one of the following measuring instruments is used to measure light intensity? A. Galvanometer B. Photo meter C. Current meter D. Volt meter