4a+6b=10

2a-4b=12

what does 12a = ?

What is the greatest common factor of 30, 45, and 75?

Marly has to get some cavities filled at the dentist. The dentist charges a fee of $35 plus $43 per cavity. If Marly ends up having a bill of $164, how many cavities did Marly have filled? a 1 b 2 c 3 d 4

Eudora transferred a balance of $6400 to a new credit card at the beginning of the year. The card offered an introductory APR of 7.8% for the first 3 months and a standard APR of 26.5% thereafter.

A group of 55 football players were polled about which synthetic grass they like to play on, Chemstrand or Chemgrass. The data from the survey is shown in the Venn diagram. Use the Venn diagram to find the missing values in the frequency table

Line M is represented by the following equation x - y = 8 which equation completes the system that is Satisfied by the solution (18,10

What is the value of 4 (x+y) - 1+2z when x = 3, y=12, and z=-1? Enter your answer in the box.

Determine whether the equation has one solution, no solution, or an infinite number of solutions. 7x - 9y = 12

Mike is working on solving the exponential equation 37^x = 12; however, he is not quite sure where to start. Using complete sentences, describe to Mike how to solve this equation.

Given: 7n+2=4n+17 prove: n=5

Find the volume of a cylinder whose base has a radius of 3 and whose height is 12.5. Use pie = 3.14 and round to the nearest tenth.