Show me how to work the equation 9h+8-12=-40

At the movie theater, they give out a free drink to every 75th customer and a free bag of popcorn to every 30th customer. Who is the first customer that is going to win both free items?

Katrina saved $2,000 to purchase her tablet. Her father spent 10 times as much money to buy his new computer. How much did her father's computer cost?

A sample chosen by stratified random sampling involves a. randomly selecting one of the first k elements in an ordered population and then selecting every kth element in the population thereafter. b.

A pole that is 3.2 m tall casts a shadow that is 1.45 m long. At the same time, a nearby building casts a shadow that is 36.5 m long. How tall is the building? Round your answer to the nearest meter.

1/5x=35 Equation and Inequalities

An experienced tinter can tint a car in 3 hours. A beginning tinter needs 6 hours to complete the same job. Find how long it takes for the two to do the job together.

Simplify 6 x t x 5 x r

Find the sum of (c-4) + (3c+9)

One of the equations below is not correct. Which on is incorrect. Then explain the error that was made and write the correct answer. (-14) (20) = - 280 -63divided by - 9=7 -6 (-2) (3) (-4) (1) = 144 -5 (-2) (3) (-1) (-7) = 210

Mario made six batches of cookies. His friends asked him to make an extra batch. He used 15 3/4 cups of sugar and needs another 5/8 cup for the extra batch. How many cups of sugar will Mario use altogether? Show work.