Serena is writing an expression that is equivalent to 12ab - 6b, but she has not completed it.

__ (2a - 1)

What is missing from the expression?

A. 6b

B. 6ab

C. 6

D. ab

Ben wants to have his birthday at the bowling alley with a few of his friends but he can spend no more than $80 the bowling alley charges a flat fee of $45 for a private party and $5.50 per person for those rentals and unlimited bowling

Solve 17h + 11 = 13h - 7 for h.

Maya reads that 0.63 of Oak School is female and 0.47 of Elm School is female. She says that Oak School must have more females. With the information given, is she correct?

Complete the equation of the line through (4,-8) and (8, 5)

The red thermos contains 7 pints of lemonade. The orange thermos contains 4 quarts of lemonade. Which thermos contains more lemonade?

The density of atmosphere (measured in kilograms/meter3) on a certain planet is found to decrease as altitude increases (as measured from the planet's surface).

A taxi cab charges $1.75 for the flat fee and $0.25 for each mile. Write an in equality to determine how many miles Eddie can travel if he has $15 to spend.

Show how to multiply 9 x 475 using expanded form and the distributive property

A manatee surfaced for air 2 times in 60 seconds. In how many seconds will the manatee surface again if it continues taking breathes at the same rate?

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 7 8. There are 72 marbles in total in the bag and each is equally likely to be chosen. Work out how many red marbles there must be.