Tim bought 2 pounds of apples for $0.50 per pound. He also bought 1.5 pounds of cookies for $2.10 per pound. Tim gave the cashier $10 for the apples and cookies. How much change did he receive?

you choose at random from the letters a, b, c and d and you roll a number cube once. what are the chances that you get an a and 5?

An art teacher buys 9 bags of cotton balls. There are 68 cotton balls in each bag. Which expression is best to estimate the number of cotton balls the teacher buys? 9+70 9*60 9*70 9+60

Miran and Hanna were asked by their teachers to increase 70 by 150%. Miran says the answer is 105 because 50%of 70 is 35 and 70+35=105. Hanna says the answer is 175 because 150% of 70 is 105 and 70+105=175. Who is correct

Simplify the expression below. 12 divided by (2 + 1) 4

A ball is thrown from an initial height of 1 meter with an initial upward velocity of 25/ms. The ball's height h (in meters) after t seconds is given by the following. h=1+25t-5t^2 Find all values of t for which the ball's height is 11meters.

Calculate the number of acres required to produce 1,000 gallons of oil in one year from microalgae and soybeans. Which one (microalgae or soybeans) requires less space?

Rachel runs 3.2 miles each weekday an 1.5 miles each of the weekend. how many miles will she have run in 6 weeks

Divide. (-10m9 - 4m8 - 12m6) : 2m4 A: - 5m5 - 2m4 - 6m2 B: - 5m5 - 2m4 - 12m6 C: - 5m5 - 4m8 - 12m2 D: - 5m9 - 2m8 - 6m6

John rides his horse with a constant speed of 13 kilometers an hour how long will he take to travel a distance of 28.2 kilometers

How many square inches of tin are needed to make the top of a can that is 10 inches in diameter?