N (x) = 20-x

If n (x) = 18, find the value of x

Solve the triangle. A = 52°, b = 10, c=7

30 people visited Paris 13 visited the Eiffel Tower, 16 visited Notre dam and 7 visited neither. What's the probability that a person chosen at random only visited one of these places

Four sisters bought a present for their father. They received a 10% discount on the original price of the gift. After the discount was taken, each sister paid $9.00. What was the original price of the gift?

How do you write 30 dollars in words?

Abbie spent 5/8 of her money and saved the rest. If she spent $45. how much money did she have at first?

Solve on the interval [0,2pi) 1 + sin 0=1/2

How to divide fractions with letters

What is 4 to the 3rd power

I have 1/8 of books are mysteries I have three Mistry books how many books do I have it all

what does it mean when a number is outside of the parentheses in a quadratic function for example: 2 (x+1) ^2