If (1/a) + (1/b) = 10 what is the value of a+b?

A) 1/10

B) 2/5

C) 1

D) 10

E) the answer cannot be determined from the information given

Which set of ordered pairs represents a function? { (-7, 2), (3, - 1), (8, - 2), (-8, - 2) } { (2,4), (6,2), (-8, - 4), (-8, - 6) } { (-2,0), (1,4), (1, - 7), (7, - 2) } { (4,9), (-9, 7), (-9, - 6), (8, - 3) }

Use the distributive property to simplify each expression 2 (4+9w)

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26 pi cubic meters and a height of 6.5 meters? V = B h. 6.5 = B (26 pi). V = B h. V = 26 pi + (6.5) V = B h. V = 26 pi (6.5) V = B h. 26 pi = B (6.5)

Use a truth table to test the validity of the following argument. If you are on the student council, then you must maintain at least a B average. You are not on the student council. Therefore, you do not maintain a B average. Valid or invalid?

A diagram of a deodorant container is shown It is made up of a cylinder and half of a sphere. (Radius = 1.6) (Height=6.2) a.) what is the volume of the half sphere b.) what is the volume of the cylinder c.) what is the volume of the whole figure

What is the proportional relationship with the table? x 1 2 3 4 y 4 8 12 16 1/4 4 8

What is the final step in the problem solving process

0.35 0.15 0.05 0.05 as fraction

Which expressions are equivalent to 3 (62) ? Select each correct answer. 3 (60 + 2) 3 (6 + 2) 3 (6 + 56) 3 (60 + 20)

George took his friends to a movie. He bought 3 movie tickets that cost x dollars each, and one jumbo chicken sandwhich. The cost 15 dollars less than one movie ticket. which expression represents this situation?