Which of these is a numerical expression?

1. 13+7

2. 5x

3. 3y+4

4.12 - 2n

At a local hospital, 35 babies were born. if 26 were boys, what percentage of the newborns were boys?

The length of a triangle is 2x cm, 3x cm, and 4x cm. The perimeter of the triangle is 81 cm. Calculate the value of x.

Which is a graph for the inequality m greater - 2?

How do you turn a fraction into a decimal. I have to measure architextual drawings tomorrow and turn the measurements into numbers and enter them into a computer. How do I turn a fraction into a decimal

Which of these is the algebraic expression for "4 less than the product of 3 and some number?" 4m - 3 3m - 4 3 - 4m 4 - 3m

Simplify the given equation. 5x + 2 (x - 3) = - 2 (x - 1) 7x-3 = - 2x-1 7x - 6 = - 2x + 2 7x-6=-2x-2

Which value of the makes / dfrac{8+h}{10}=1 10 8+h =1start fraction, 8, plus, h, divided by, 10, end fraction, equal, 1 a true statement?

What is 45 rounded to nearest ten

How is growth shown in a rule

Find a cubic function with the given zeros. 7, - 3, 2