To which subset (s) of numbers dose 30/15 belong

What are the angles that make the trigonmetric statements true

A carpenter buys $54.38 worth of parts from the supplier. If he pays for the parts with a $100 bill, how much change will he recieve?

The expression 40x2 - 65x + 50 represents the sum of the interior angles of a regular pentagon in degrees. If the interior angles of the pentagon are equal, which expression represents the measure of two angles?

What are the variables in the expression x+8-y?

Mrs. Rodriguez has 10 packages of pens in stock at her store on Monday. On Tuesday, she has 3/5 the number of pens she had on Monday. On Wednesday, she has 2/3 of the number of pens she had on Tuesday.

How many different slope scenarios are there?

What is the greatest common factor of 20 and 32?

How many 0.6 L glasses can you fill up with a 4.5 L pitcher?

Solve y=1/4x+5 y=2x-9

How can i be math teacher when i grow up?