Explain how you know that the sum of 12.6, 3.1, and 5.4 is greater than 20

A submarine was 200 feet below sea level. It rose to the surface and then dove again to four times its initial depth. The submarine then descended another 300 feet. What was the sub's final depth? Steps: 1. Write an expression to model the situation.

Solve the absolute value equation |3x-2|=2

A student answered three questions on a 40-percent test incorrectly. What percent did the student answer correctly

Students are selling hand made magnets at the school craft fair one magnet cost $ 0.30, 2 magnets cost $ 0.43, 3 magnets cost $ 0.56, and 4 magnets cost $ 0.69 if this pattern continues how much will 6 magnets cost explain how you found your answer

4. Mrs. Sloan is purchasing 3.4 pounds of trail mix that costs $4.25 per pound. How much change will Mrs. Sloan receive if she gives the cashier $20.00 F. $14.45 G. $12.55 H. $5.55 J. $7.45

Which equation has a variable term in the equation - 6 + 2X = 6x - 9

On may 31, the cash account of bottle's r us had a normal balance of $5,000. during may, the account was debited for a total of $12,200 and credited for a total of $11,500. what was the balance in the cash account at the beginning of may?

When ringing up a customer, a cashier needs 8 seconds to process payment as well as 1 second to scan each item being purchased. If it takes 11 seconds to ring up a customer, how many items are being purchased?

In a chemical compound there are 3 parts zinc for every 16 parts copper by mass a piece of the compound contains 320 grams of copper write and solve an equation to determine the amount of zinc in the chemical compound

How many pillows can she make using 6 yards of fabric?