Questions in Grade High-school

Questions in Grade High-school

[Done] Acceleration is sometimes expressed in multiples of [tex]g[/tex], where [tex]g = 9.8 \, \text{m/s}^2[/tex] is the acceleration due to gravity. In a car crash, the car's velocity changes from [tex]30 \, \text{m/s}[/tex] to [tex]0 \, \text{m/s}[/tex] in [tex]0.15 \, \text{s}[/tex]. In terms of [tex]g[/tex], what is the acceleration of the car?

[Done] One number added to twice another number is 13. Four times the first number added to twice the other number is -2. What are the numbers?

[Done] Which of the following statements is NOT true about Isabella d’Este? A. She made Mantua a center of art and learning. B. She once ruled the small city-state of Mantua during her husband's absence. C. She was a successful diplomat despite her lack of education. D. She was considered a true Renaissance woman because she was a doer and a thinker.

[Done] Which sentence has a misplaced adjective phrase? A. The books belong to my mom in that box. B. The house by the lake was built by my grandfather. C. All the tourists in the group visited the Empire State Building. D. Christy sang a song with a pretty melody for her family.

[Done] Angela swims 480 meters in 40 minutes. What is her unit rate?

[Done] Which sentence contains an infinitive or infinitive phrase? A. To everyone at home, we sent our greetings from Canada. B. Help me find your little sister's other shoe, please. C. Bookmark your favorite sites, and you can go back to them. D. Will you take the playbook back to Coach Wilson?

[Done] An increase or decrease in the population of a state could cause A. a change in the number of senators. B. a change in representation in the House of Representatives. C. a change in the number of senators and representatives. D. none of the above.

[Done] Which uses the correct verbs for formal speech or writing? A. Suppose I were going to the planet Saturn next month and could take only one suitcase. What should I pack? B. Suppose I was going to the planet Saturn next month and could take only one suitcase. What should I pack?

[Done] It is reported that 32% of shoppers use cash to pay for their purchases. Based on this report, if a store has 250 sales in one day, how many shoppers could be expected to pay with cash?

[Done] What is the greatest common factor of 63 and 84?