Gustavo tested 1000 calculators to see if any were defective. The company claimed that the probability of a defective calculator was 1% per 1000 calculators. Gustavo found 15 defective calculators out of 1000.

Suppose the probability of having a girl is 50%. If a study finds that the probability of being interested in sports if you are a girl is 60%, what is the probability of parents giving birth to a girl who is interacted in sports?

Ofelia has a certain amount of money. if she spends $12 then she has 1/5 of the original amount left. how much money did Ofelia have originally?

maya decided to paint some of the rooms in her hotel. she found out that a room required 3/2 if maya buys 9 cans of paint how many rooms can she paint.

Use two mixed numbers to write an equation with a sum of 4 1/4

What is the ordered pair for X+y = 4 X-y=10

Which is the factorization of 8x2 + 13x - 6? (8x - 3) (x + 2) (x - 6) (8x + 1) (2x - 2) (4x + 3) (4x - 1) (2x + 6)

If 150 napkins were $0.54 cents, how much how one napkin be?

The sides of a triangle are 12 m, 5x m, and 4x m long. (a) Express the perimeter of the triangle in terms of x. (b) Find the perimeter of the triangle when x = 4. So now (a) Express the perimeter of the triangle in terms of x.

Rewrite with a single exponent (9^7) ^3

Sed on the figure below, what is the value of x? A right angle is shown divided in two parts. The measure of the angle of one part is 50 degrees and the measure of the other part is 5x plus 15 degrees.