syasya throws a rock in the air. given the heighth, in meter, of the rock at t seconds after it is thrown is h = - 2t² + 3t + 2. how long the rock is in air?

What is 2/3 over 4/-9=

Jasmine finished the bike trail in 2.5 hours at an average rate of 9 3/10 miles per hour. Lucy biked the same trail at a rate of 6 1/5 miles per hour. How long did it take Lucy to bike the trail?

The perimeter of a rectangular house is 122fr the width is 5ft less than the length find the length and width

What is the numerical coefficient of the term 12x

The swiger family recycles about 15 pound of waste a week this is 2 over 5 of the total waste for the week. how many pounds of waste does the family produce each week?

A car uses 7 litres of petrol for every 100 km travelled. Which is the best estimate for the amount of petrol (in litres) needed to travel 590 km?

jasmine had 11 friends over at her house. everytime the doorbell rang 2 more friends arrived. the doorbell rand 3 times. how many friends did jasmine have altogether

Show work? |5x+10|=-7

Meg lives in Indianapolis and wants to visit her mom in Lima. She has been meaning to go to a chiropractor in Dayton, so she is wondering whether it makes sense to stop there on the way.

An advertisement states that a can of paint will cover 480 square feet. How many gallons of paint are needed to cover 1,680 square feet?