135% of what number is 81

The number of boys in the chess club is 4 more than twice the number of girls. there are 38 boys in the chess club. How many girls are in the club?

If I have 6.6% off of $15 what would the sales tax be

Tamika opened a money market account that has a 4.25% annual interest rate, compound annually. She deposits $1750 into the account each year. How much interest will the account earn after 15 years? A.$35699.40 B.$71398.40 C.$33949.40 D.$9419.40

Clara writes the equation (x - 13) (x + 8) = 196 to solve for the missing side length of a triangle represented by the factor x + 8. What is the missing side length represented by x + 8 units of the triangle?

Find greatest common factor of 15x^2y^3 and - 18x^3yz there r 3 answers

Express 40 over 16 as a mixed number in simplest form

During the day, Sam spent $4.85 on lunch. he also bought 2 books for $7.95 each. At the end of the day we had $8.20 left how much money did he start with.

A 3 5/8 nail is driven through a wooden door. The nail extends beyond the door by 7/8 inch. How thick is the door?

What is 20 percent of 248

Find the slope of the line y=-0.5x - 6.5