Which value of x makes this equation true? –8 + x = 0 a. –8 b. 8 c. no value of x will make it true. d. 0

Evaluate the expression for the given value of the variable 7a - 4a for a =8

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Solve this problem! extra ! 3025/5.5 = a/90.75