a coin collection of nickels and dimes amount to 0.90. there are 4 times as many nickkels as dimes how many coins of each kind are there

What is four thousand three hundred twenty one ten thousandths in decimal form

in a history class, the girl to boy ratio is 9 to 5. if there is a total of 70 students how many boys is there

Derek is training for a half-marathon. His training plan sets his goal for this week at 18 miles with three short runs and one longer run. His three short runs total 9.35 miles.

Understanding this proof for the proposition "For all integers a, gcd (9a+4, 2a+1) = 1. Proof: gcd (9a+4, 2a+1) = gcd (2a+1, a) = gcd (a, 1). Since gcd (a, 1) = 1, gcd (9a+4, 2a+1) = 1.

What is the square root of - ^54/6+2/3

Solve for x. - 18 = - 2/3 x

What are the step by steps tosolving math problem 5.8x+6.03=31.27

Ms. Beal has begun covering a floor with 1-foot square tiles. What is the area of the floor in square feet?

264 is 55% of what number?

The measures of two supplementary angles have a ratio of 3:5. what is the measure of the smaller angle?