In a jar there are n amount of flowers. p percent are red flowers. what's the mathematical expression that expresses the flowers that are not red?

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

Mackenzie needs to determine whether the rectangles are proportional. which process could she use? check all that apply.