Last week, Donnell practiced the piano 3 hours longer than Marcus. Together, Marcus and Donnell practiced the piano for 11 hours. For how many hours did each young man practice the piano?

The volume of Earth is on the order of 1021 m3. (a) What is this in cubic kilometers (km3) ? (b) What is it in cubic miles (mi3) ? (c) What is it in cubic centimeters (cm3) ?

The equation for the future value of a deposit earning compound interest is equation, where ... P = the initial deposit t = years invested r = rate at which interest is compounded annually n =

How many hundreds are in 1,000

What is the volume of a pool that is 7 ft wide 15 ft long and 4 ft deep

My question is what is the answer for (1-2g+4h) ⋅5?

Wjat is 5*5:2+34. Need the answer

The sum of three consecutive odd integers is equal to 15 more than twice the middle integer what are the three integers

How long will it take to earn $252 in interest if $1200 is invested at a 7% annual interest rate?

298, 209, 129, 58, - 4 continue the sequence

After careful testing and analysis, an oil company is considering drilling in two different sites. It is estimated that site A will net $30 million if successful (probability. 4 ) and lose $4 million if not (probability.