What's the missing value 2x+3y=12

What value of c makes the polynomial below a perfect square? x^2+10+c

A rectangle and a triangle have the same area and the same base measurement. How does the height of the triangle compare to the height of the rectangle?

What is real world problem that can be solved by using the equation 5x = 45

Emily drives her car 42 miles in 1 hour. what is her average speed in miles per hour.

What are all the real zeros of y = (x - 12) 3 - 10?

Determine whether the expression make sense mathematically, if not explain why. a) ||u|| * ||v|| b) (u * v) - w c) (u * v) - k d) k * u

6 times 3 plus 23 times 7 over 33-3

It costs $5 to become a member of a video game club. After that, video games 10 each with a 7% tax on each game. If you spent $69.20 TOTAL, how many video game did you buy?

Lisa and valerie are picnicking in Trough Creek State Park in Pennsylvania. Lisa has brought a salad that she has made with 3/4 cup of strawberries, 7/8 cup of peaches, and 1/6 cup of blueberries. They ate 11/12 cup of salad.

there are four colors red white black and blue on a spinner and there is a coin. what is the probability of spinning a red and heads?