12x-4y=20 solve for y

A bag of 20 oranges costs $6.99. What is the cost of each orange? Round to the nearest cent.

A drawer contains five pairs of socks that are brown, black, white, red, and blue. Claude takes the red socks out of the drawer. He doesn't want red socks so he puts them back. What is the probability that Claude will choose the red socks twice?

Z varies directly as x^2. if z=50 when x=5, find z when x=7

Jordan has a kite with four sides. Two of the sides are 8 inches long. Two of the sides are 12 inches long. What is the perimeter of the kite? The perimeter oft

Which quotient is equivalent to the mixed number 2 2/3? A. 3 : 7 B. 7 : 3 C. 3 : 8 D. 8 : 3

What is the least common mulitple of 3 and 9

What are possible rational roots of f (x) = 3x^4-x^3+x^2_x+5

If you have a negative exponent in the denominator, how will you make it positive?

Mr. Ito is spreading mulch in his yard. He spreads 4 2/3 squre yards in 2 hours. How many square yards can he mulch per hour?

Can you make a triangle with the numbers 2,4,3