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Questions in Grade High-school

[Done] In which triangle is the value of $x$ equal to $\cos ^{-1}\left(\frac{4.3}{6.7}\right) ? (Images may not be drawn to scale.)

[Done] A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets to the museum. Based on this information, how much is an adult ticket, and how much is a child ticket? [tex]\begin{array}{l} 2 a+4 c=38.00 \\ 3 a+3 c=40.50 \end{array}[/tex] What values of [tex]$a$[/tex] and [tex]$c$[/tex] represent the solution to the system? [tex]$a=\square$[/tex] [tex]$c=\square$[/tex]

[Done] 13. Strategic planning is not just a tool for senior management. a. False b. True

[Done] Formula-fed infants experience more diarrhea and upset stomachs than breast-fed infants.

[Done] Arrange the routes in increasing order of distance. Route 1: 1199 km Route 2: 1121 km Route 3: 1185 km Route 4: 1115 km

[Done] Fill in the blanks with suitable demonstrative adjectives from the ones given in brackets. 1. I will not eat _______ sandwiches. (this/these) 2. Do you know _______ man over there? (this/that) 3. _______ boys broke the glass window. (This/These) 4. _______ children are playing in the rain. (That/Those) 5. Parth cannot wear _______ trousers any longer. (this/these)

[Done] Count backward and write: 115 132 164 198 277 351 243 465

[Done] What is sarcoplasmic reticulum (SR)? Choose the correct option. A. System of tubules that bring the action potential deep inside the muscle fiber B. Voltage-sensitive channels C. Excitable cell membrane that encloses the muscle fiber D. Extensive intracellular sac containing calcium ions

[Done] 1. Name the animal that has fur on its body. 2. Are fallen leaves living? 3. How should we treat plants? 4. What benefits do we get from animals? 5. How do germs enter into our body?

[Done] Find three positive integers x, y, and z that satisfy the given conditions. The product is 64 and the sum is a minimum. (x, y, z) = ( )