At central online high school, 45/100 of the students have a dog, 30/100 have a cat, and 18/100 have both a dog and a cat.

what is the probability that a student who has a dog also has a cat?

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Select the conic section that represents the equation. 3x2 + 3y2 -2x + 4 = 0

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.