Work out the value of 2a + ay when a = 5 and y = - 3

The shapes of the horizontal cross-sections of the cylinder below are all congruent. O A. True B. False

1) State whether each of the following is a statement or is not a statement and explain why. If it is a statement, give its truth value. a) Drink more water. b) Paris is the capital city of the United States of America.

Marcus is filling a pool with water. The pool had 18 gallons of water and 25 minutes later had 428 gallons of water. What does the quotient 16.4 mean A. The pool is being filled at a rate of 16.4 gallons per minute B.

Alex buys 12 DVDs. each DVD cost $15. if alex receives a $4 discount on each DVD, what is the total amount of money Alex spends? write an expression that matches the words

Mark is building a custom wooden frame around his flower bed. The length of the frame is 5.45 feet, and the width of the frame is 3.275 feet. What is the area of the flower bed without rounding?__ square feet

What is two subtracted from one hundred

Find the inverse function of f (x) = x^2-8

Simplify the complex fraction 24/3 11/8

Write 5,000,039 in scientific notation. a) 0.5000039 x 10^-7 b) 5.000039 x 10^-6 c) 5.000039 x 10^6 d) 0.5000039 x 10^7

Barry knows that 6+5=11 what other addition fact does he know?