What does mental math look like?

Whats a formula for four is no less than the quotient of a number x nd 2.1

How do you find a markdown?

One taco supreme and two cheeseburgers provide 2220 calories. Two taco supremes and one cheeseburger provide 2130 calories. How much calories does One supreme taco have?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative

A student is trying to solve the system of two equations given below: Equation P: y + z = 4 Equation Q: 3y + 7z = 15 Which of the following steps can be used to eliminate the y term? A. - 3 (y + z = 4) B. 3 (y + z = 4) C. - 1 (3y + 7z = 15) D.

Chris Deposits $5,000 into an account that earns 2.5% intrest compounded monthly. Assuming no deposits or withdrawls are made, how much money is in the account in 10 years?

There is 1 in. of water in a pool. The water level is increasing at 0.75 in./min. Which linear equation represents the total depth of the water, in inches, after x minutes? A. 1+y=0.75x B. y=0.75x+1 C. y=0.75x D. x=0.75y

Write the absolute value equations in the form x-b=c (where b is a number and c can be either number or an expression) that have the following solution sets: A. Two solutions: x=2, x=13. B. One solution: x=23. C. Two solutions: x = 1/2, x = - 1/3. D.

What is the surface area of a pyramid?

What is a larger decimal? 2.4 or 2.04?