Which of these is a numerical expression?

1. 13+7

2. 5x

3. 3y+4

4.12 - 2n

Solve by applying the counting principle. You have five shirts, three pairs of pants, and four ties. How many outfits are possible?

If there are 50 floats in a parade how many ways can a first and second place trophy be awarded

Evaluate + pq when p = 8 and q = 6.

The diameter of a circle is 8 inches. What is the circle's circumference? d=8 in

Reduce 6/36 to lowest terms

A product design team is working on a new drink box, will hold 225 cubic centimeters of juice. The box is 12.5 centimeters high and 4.5 cm long. What is the width of the box

Find two consecutive numbers less than 100, for the first of which the sum of the digits is 8, and the second is divisible by 8.

4 inches 6 inches and 9 inches v = in3

What is the y - intercept of the graph of 2x + y = - 4? A) (0,-4) B) (0,2) C) (0,4) D) (0,-2)

Which statements describe effects of changes in information technology? Check all that apply. 1) Economists are better able to predict how resources should be allocated. 2) Governments can make better economic policy decisions.