How to find missing angles in right triangles

Consider an urn containing 12 balls, of which 8 are white. A sample of size 4 is to be drawn with replacement (without replacement).

Given n (t) = - 2 (t+5) 2 + 4, find n (-8).

The perimeter of a rectangle is the sum of the lengths of its four sides. Which expression where

If y = 3x-5 find the value of y when x=-1

Jenna earns $7.75 per hour working at the mall. If Jenna worked 24 1/5 hours last week, how much did she earn before taxes were taken out?

A fitness club opens with 80 members. Each month the membership increases by 15 members. Write an equation to represent the relationship between the number of months the club has been opened, x, and the total fitness club membership, y?

How do you convert inches to feet

A simplified form of 4x-4y 3x

If the radius of a circle is increased by a factor of 5, the area increases by a factor of: A:5 B:10 C:25 D:50

An employer may conduct an aptitude test to check for what? A. Your ability to solve problems B. Test your actual skills, such as typing C. Discover individual behavior patterns D. The capacity to acquire certain skills