If a, b and c are positive integers such that a + b = 9 and ac - 2 bc = 0, what is the value of a?

Find the midrange of the data set. 31.2 48.6 54.8 47.6 51.5 35.8 37.3 42.8 44.1 45.2 43.7 43.0

A problem states: "There are 3 more baseball than bats in a dugout. There are 15 bats and baseballs in the dugout in all. How many bats are there in the dugout?"

Add:5/100+3/10 a) 8/10 b) 8/100 c) 35/100 d) 53/100

Solve the following problem. show all steps (V. E. S. T.) The sum of three numbers is 26. The second number is twice the first and the third number is 6 more than the second. Find the numbers.?.

What is the range of y=1/3x

Find an equation equivalent to r=6secθ in rectangular coordinates and describe the graph of the equation.

A construction company is laying concrete for a new building. The company has 4 dump trucks with 1.15 tons of gravel each, and 2 dump trucks with 0.7 tons of sand. How many tons of material will the company use for the new building?

Find amount of tips on a 75 bill if a 50% tip is left

What is 5x - (8x+9) + 4.5x

the ration of the boys to the number of children at a carnival is 3:8 Therr were 40 more girls than boys at the carnival. How mnay children were there at the carnival altogether?