You scored 88, 92, and 87 on three tests. Write and solve an equation to fi nd the score you need on the fourth test so that your mean test score is 90.

How can I list 2.3, 2 4/5, 2.6 in order from greatest to least

A Greenland whale can hold its break three times as long as a beaver, and a hippopotamus can hold its breath for five minutes long than a beaver.

Maria will use a 1 fourth-gallon pitcher to fill an empty 2 thirds-gallon jug for her lemonade stand. How much lemonade will she need in order to completely fill the jug? A. between 1 and 2 full pitchers B. between 2 and 3 full pitchers C.

Subtract 2x 2 - 6x - 4 from 4x 2 - 4x + 3.

18,472 round to the nearst ten thousand

At smith mountain lake boat rentals, it cost $25 per hour to rent a pontoon boat, plus a one-time charge for cleaning. The Bengel family rented a boat from 11 am - 6:30 pm and paid $226.50.

Which system of equations has infinitely many solutions? A) 6x + 3y = 12 3x + y = 9 B) 2x + 3y = 6 4x + y = 8 C) 12x + 9y = 6 4x + 3y = 6 D) 5x + 10y = 20 2x+4y=8

A square orange rug has a yellow square in the center. The side length of the yellow square is x inches. The width of the orange band that surrounds the yellow square is 11 in. What is the area of the orange band?

Can the function f (x) = x²-4x+4 be factored? If so, write the factored form.

A manatee eats the equivalent of about 12% of its body weight each day. Write an equation that represents the amount y (in pounds) of food a manatee eats each day for its weight x. Identify the independent and dependent variables.