A piece of yellow yarn was 230 inches long. After 90 inches had been cut from it, the piece of yellow yarn was twice as long as a piece of blue yarn. At first, how much longer was the yellow yarn than the blue yarn?

This week beth made 10 more then twice the number of cookies she made last week, x. Which expression represents the total numbwr of cookies beth made this week

Brian has a math quiz every six days and a science quiz every four days on February 15 he had both tests when will he have both tests again on the same day

What does it mean if am equation is equivalent to 0=0? explain.

Solve on the interval [0, 2pi) : 3 sec x - 2 = 1

Is 36 a square number

Is 10 a solution of 2y+7 (y-3) = 60

Stephanie has pennies, nickels, dimes, and quarters in her piggy bank. The total value of the coins is 0.01 (n + 10) + 0.05n + 0.1 (n - 10) + 0.25 (n - 5), where n is the number of nickels. What must 0.1 (n - 10) represent? A.

Suppose y = f (x) + k. What effect does k have on the parent function?

Which of the following has a value of 84? a. 83 b. 512 c. 32 d. 4,096

Joey can type 80 words per minute. How many words can he type in 30 minutes?