Sara has 100 books. 36/100 are biographies, 4/10 are mysteries and 24/100 are animal books. what part of her books are mysteries or animal books? determine if there is extra or missing information. then solve.

14. Of the 400 students in the 8th grade, four- fifths have purchased tickets for the end of year trip. If there needs to be two chaperones for every 75 students, how many chaperones are needed?

Kate has $60 in a savings account that earns 5% annually. The interest is not compounded. How much will she have in 1 year?

Is - 5 3/8 rational I can't figure it out

The solutions of a quadratic equation are 5 and - 1. What is the factored form of a related quadratic function? a) f (x) = (x + 5) (x - 1) b) f (x) = (x + 5) (x + 1) c) f (x) = (x - 5) (x - 5) d) f (x) = (x - 5) (x + 1)

Hannah has only nickels and dimes in her wallet. She has a total of $2.50 and a total of 30 coins how many nickels does she have using system of equations?

How do you subtract and reduce 9 - 2 over 5

What is the opposite of the opposite of - 3/8

Write b/bc in simplest form

What value completes the square for the expression? x2 - 18x A. 9 B. - 9 C. 81 D. - 81

A right rectangular prism has a height of 15 in, and the area of the cross section taken parallel to the base at a level of 5 in above the base is 25 in2.