You are trying to save $20 a week to buy and use cd player. During the last 4 weeks you have saved $35, $15, $10 and $12. How much do you need to save this week to average $20 for the 5 weeks.

La desigualdad para comparar los numeros 11 y - 9

Solve the equation for x. 1 3 (6x - 9) = - 33 A) - 15 B) - 19 C) - 22 D) - 30

Which percent is equivalent to 0.03? A) 0.03% B) 0.3% C) 3% D) 30% E) None of the above

Arlene sleeps for 7hr20min each night. How many hours does she sleep in a week? Write your answer as a mixed number,

Simplify - 4 (x-5) + 3 (a-7)

Bag A contains 3 white marbles and 2 red marbles. Bag B contains 6 white marbles and 3 red marbles. A person draws one marble from each bag. Find the probability that both marbles are white. 2/5 3/5 9/14

Write the following as a radical expression 132/5

What is 4 and 11/19 as a improper fractoin

Which equation represents a proportional relationship that has a constant proportionality equal to 0.7 Y/x=7/10 Y/x=1/7 XY=7/10 XY=1/7

A standard cylinder of oxygen used in a hospital has gauge pressure = 2000 psi (13,800 kPa) and volume = 14 L (0.014 m3) at T = 295 K. How long will the cylinder last if the flow rate, measured at atmospheric pressure, is constant at 2.1 L/min?