What is the value of 4.8 + 2.2w - 1.4w + 2.4

2/3 (x + 13) = 22 what is x?

Linear Systems Word Problem: Astrid is running a concession stand at a basketball game. She is selling hot dogs and sodas. Each hot dog costs $1.50 and each soda costs $0.50. At the end of the night she made a total of $78.50.

Ben is making a dessert that requires 2 1/2 lb of strawberries and 1 1/2 lb of blueberries. Strawberries cost $1 less per pound than blueberries. Ben spent a total of $9.50 on the fruit. What is the price per pound of each type of fruit?

A girl gave her cousin $2.15 in nicels and dimes. Altogether, she gave her cousin 28 coins. How many of them were dimes? How many were nickels?

The function f (x) = -3x³+x²+2x rises as x grows very large. A. TRUE B. FALSE

Ann purchased a prepaid phone card for $25. Long distance calls cost 19 cents a minute using this card. Ann used her card only once to make a long distance call. If the remaining credit on her card is $21.77, how many minutes did her call last?

Differentiate y=x/5-5/x

Which proportion could be used to determine if the figures represent a dilation? 2/3=5/8, 2/3=8/5, 2/8=5/3, or 2/8=3/5?

The density of brass is about 8.5 g/mL. How much mass would an object, that is made of brass and is 2 mL have? How about an object that is made of brass, but has a volume of 0.5 mL?

Factor 15x3 - 5x2 + 6x - 2 by grouping. What is the resulting expression? (5x2 + 2) (3x - 1) (5x2 - 2) (3x + 1) 1 (15x2 + 2) (x - 1) (15x2 - 2) (x + 1)