Do two angles that are 60 and 90 degrees make a supplementary angle. I think they don't but I'm not too sure

Prove that: (1213-1212+1211) (119-118+117) is divisible by 3, 7, 19, and 37.

Erin spent $15.30 on ingredients for cookies she's making for the school bake sale. How many cookies must she sell at $0.35 a piece to make a profit

Giulia is playing a game with 6 cards: 4 kings, 1 queen, and 1 jack. She draws 1 card out of the stack of cards, replaces it, and then draws another card. What is the probability that she will draw a king and then a jack, P (king, then jack) ?

A triangle has angle measures of 20 and 40. What could be two of the angle measures of a similar triangle

One serving of Harold's favorite cereal contains 1 2/5 ounces. How many servings are in a 17 1/2 ounce box?

The product of a number and five

The measurements obtained for the interior dimensions of a rectangular box are 200 centimeters by 200 centimeters by 300 centimeters.

Simplify the expression. 5sqrt 2 + sqrt 18

0,3,7,12,14 whats next in the pattern

Write 6/8 as a equivalent fraction