20 (20-x) = 300 what is x

Ayden has $4.20 worth of dimes and quarters. He has twice as many quarters as dimes. Determine the number of dimes and the number of quarters that Ayden has.

Write in simplest form: 3 8/10 + 5 7/9

At this rate, would a person your age (18 years old) have contributed a ton of garbage? On average, how long does it take for each person to throw away a ton, or 2000 pounds of garbage?

Which is greater: 5 yards or 150 inches?

3,072 = 32= 323, 072 -100 1 9 2 -110

What shape has 3 straight sides other than a triangle?

What is the relationship between the value of a dollar and the value of a dime

The Cool Company determines that the supply function for its basic air conditioning unit is S (p) = 40 + 0.008p^3 and that its demand function is D (p) = 200 - 0.16p^2, where p is the price. Determine the price for which the supply equals the demand.

Seven three squared plus ten

Which exponential equation is equivalent to the logarithmic equation below? c = ln 2