The school library has 97 books about space. John and 3 of his friends, each check out 9 books. how many space books are still in school libarary?

Simplify sin 4 theta/1+cos4 theta using half angle formula

combine as indicated by the signs. a^2-5 / a^3-1 - a+1 / a^2+a+1

A vacation rental company uses the function v (x) = 250x+75 to calculate the cost to rent a two bedrooms beach house x number of nights. the maximum number of nights the beach house can be rented is 30. what is the domain of the function. a.

What is the base of the power 6^7

5/8 = X - 11/8 how can i find X?

How many 5/8 - foot pieces of wood can you cut from a board that is 4/5/8 ft long?

If (x/100-1) (x/100+1) = kx^2-1 k=

Find the area of a right triangle with side lengths 12 cm, 35 cm, and 37 cm. Then find the length of the altitude drawn to the hypotenuse

0.74 is greater or less than 0.79

A dartboard has a diameter of 14 inches. What are its radius and circumference? Round to the nearest hundredth. Use 3.14 for π.