In a group of 120 people, 90 of them are 30 years old or older. Everyone else in the group is younger than 20 years old. If a person is selected at random, what is the probability the person is less than 20 years old

Find an exact value. cosine of negative seven pi divided by twelve

How many 2 2/3 yard pieces of rope can be cut from a bundle that has 21 yards of rope?

Find the least common denominator (LCD) of 8/9 and 1/3

Lines are cut by transversal such that the alternate interior angles have measures of 3X + 17 X + 53°

What happens if you shift (x+3) ^2 + (y-2) ^2=36 up 3 units?

A school has a boy to girl ratio of 6:7. If there are 288 boys, how many girls are there?

A company manufactures a 14-ounce box of cereal. Boxes are randomly weighed to ensure the correct amount. If the discrepancy in weight is more than 0.25 ounces, the production is stopped. Which function could represent this situation? Ede

What the 96 come from

Which of the following while clauses will stop the loop when the value in the age variable is less than the number 0?

Michael draws three parallelograms. In each figure, he measures a pair of angles, as shown. Which conjecture is reasonable for Michael to make? In a parallelogram, consecutive angles are supplementary. In a parallelogram, all angles are congruent.