For homework, brooke has 15 math problems, 5 social studies problems, and 9 science problems. Use mental math to determine how many problems she has for homework. tell which property you used.

Tom saved $13 by buying a used car. He paid $5 less than half the price of a new car. How much did tom pay for the used car?

Find the first fourth and tenth terms of the arithmetic sequence described by the givin rule a (n) = - 3 + (n - 1) (-2.2)

The length of a football field is x. The width of the field is 70 yards less than the length. Write an expression that represents the perimeter of the field without parentheses.

Write the expression using the fewest number of bases possible. 5^3 x 25

Can you simplify 21/16

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61

If you have zero cookies and share them amongst zero friends, how would you write the equation and solve it?

What is the interior angle sum of a 15-gon?