How many counting numbers less than 20 have an odd amount of factors?

9 more than two-sevenths a number is 45. What is the number?

Half of Roberts piece of wire is equal to 2/3 of Maria's wire. The total length of their wires is 10 feet. How much longer is Roberts wire than Maria's.

Elvira's cafeteria has cartons of milk that are typical of school lunch. The milk supplier charges $0.35 per carton of milk, in addition to a delivery charge of $75.

Seven A equals negative eighty four

Zoey is covering a 14 inch board with 1 inch square tiles. She uses gray tiles to make three 3 in. by 3 in. squares on the board. She covers the rest of the board with while tiles. How many more white tiles than grey tiles will Zoey use?

What is the vertex of f (x) = |x + 8| - 3? (-8, - 3) (-8, 3) (8, - 3) (8, 3)

A ratio of dogs to cats a pet store is 1:3. There are 15 cats. how many dogs are at the pet store

Simplify the following equation - 3 (3w-2x) - 2 (-x-7w)

Suppose you roll a single die. Find the probability of rolling an odd number.

Solve for 3 (p-6) = 6 (p-2) - 2 (6-3p)