The average of 4 number is 85. if three of the numbers are 76, 78, and 81 what is the fourth number.

9x (30+7) = (9x) + (9x7) Properties to find the sum or product

Use the distributive property to correctly solve 7 (2 - x) = 28.

The U. S based motorcycle manufacturer says that it expects to build 138,000 motorcycles this year, up from 128,000 last year. Find the percent of increase in production

Suki invested $20,000, some at 5% interest and the rest at 10%. How much did she invest at each rate if she received $1,400 in interest in one year?

A collector has 120 movie posters and 100 band posters she wants to sell 24 movie posters but still have her poster collection maintain the same ratio of 120 to 100. if she sells 24 movie posters how many band posters should she sell

On her math test, Heidi correctly answered 35 of the 40 questions. What percentage of the questions did Heidi correctly answer? A) 85% B) 87.5% C) 90% D) 92.5%

Joel played 12 holes of golf and took 54 strokes. gari played all 18 holes and took 90 strokes which is the better rate and why?

Suppose Marcus invests $750 at an annual rate of 6.25%. How long will it take until Marcus earns $125 in simple interest?

For a Cosine function with amplitude = 0.75 and period = 10, what is y (4) ?

Babysitting for 8 hours and making $72.00 or babysitting for 6 hours and making $57.00