You have 10 batteries sitting on your desk, three of which are dead. You choose 2 batteries are random for you calculator. What is the expected number of good batteries that you get?

The radius of a circle in 3 units

Cos (pi/11) + cos (3pi/11) + cos (5pi/11) + cos (7pi/11) + cos (9pi/11)

What is the product of 37 times 2?

Write an equation that has a hole at x = 4 and a vertical asymptote at x = - 3.

Macy purchased a box of cereal that contained 567 grams of cereal. Each day, she ate 52 grams for breakfast. Write a sequence to show how much cereal she had left after each of the 4 days.

Use the formula P=2l+2w to find the length l of a rectangular lot if the width w is 45 feet and the perimeter P is 240 feet

IN one town, the sales tax is 8%. write this percent as a fraction in simplest form. what is 8% as a fraction in simplest form

True or false, a treasury bill must be 13 weeks.

Jabari owns 100 shares of stock A and 45 Shares of stock B. For the past month, his stocks have been fluctuating inversely each week. stock a decreased by m cents per share and stock b increased by n cents per share.

The area of a square garden is 25 m2 how long is each side of the garden