18-7x=-20.5 what is the value of x

A farmer in china discovers a mammal hide that contains 25% of its original amount of c-14

Multiply. use estimation to check your answer. 4 * 1.2 7.5 * 18. 0.34 * 0.83. 0.04 * 0.6

A mechanic charged $220.28 to repair a car the price included charges for e hours of labor and 126.53 for parts how much does the mechanic charge per hour for labor

What is the surface area of this prism? A. 240 cm2 B. 122 cm2 C. 120 cm2 D. 184 cm2

What is the Lcm of 3 5 7?

A bag of marbles contains 4 green marbles, 3 blue marbles, 2 red marbles, and 5 yellow marbles. How many possible outcomes are there when choosing a marble from the bag

Last month, Korey's Comics had a gross profit of $2,385 with a monthly revenue of $3,465. Korey expects similar sales this month, but he would like to build up his in-store browsing selection, and purchases an additional assortment of comic books

There was a plate of cookies on the table. Amanda was hungry because she hadn't had breakfast, so she ate half the cookies. Then Beth came along and noticed the cookies. She thought they looked good, so she ate a third of what was left on the plate.

If sales tax is 5%, what is the sales tax on an item costing $65?

You pick a card at random. 2 3 4 5 What is P (5) ? 1% 25% 41% 11%