A rock is thrown vertically from the ground with a

velocity Of 28 meters per

second and it reaches a

heignt of 5.2 F2 + 28.6T + 4

after T seconds. How many

seconds after the rock is thrown

will it reach maximum height?

Miguel bought a movie ticket that cost $5. he also bought popcorn and a bottle of water. how much did miguel spend altogether?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction