Simplify the following expression.

12 + 2 (7-4) - 5

A delivery of 50 transistors contains 40 good ones and 10 defectives. In a test five of them are checked. How many possibilities are there to have 3 good ones and 2 defective transistors in the test set?

Airplane is flying at 9000 feet. It begins descending at a rate of 500 feet per minutes write an equation

Two different pairs of negative integers, x and y, that make the statement x-y=2

Solve the system of equations. y = 6x - 27 y = 4x - 17 a. (-5. 3) b. (-3,-5)

Round 8,737 to the nearest thousand

Men have a reputation for not wanting to ask for directions. A Harris study conducted for Lincoln Mercury indicated that 42% of men and 61% of women would stop and ask for directions. The U. S.

3/8 subtract from y is 17/8

Which set of values could be the side lengths of a 30-60-90 triangle? A. {4,4/3,8/3} B. {4,4/3,8} C. {4,4/2,8} D. {4,4/2,8/2}

Which of these is NOT equivalent to 2-^3. -263 2 (1/4) ^2 2^2 times 2^-5 (1/2) ^3

On Saturday, rain fell at a rate of 1.5 inches per hour. Write a equation to show the relationship between the number of hours, h, and Saturday's rain fall, r.