Solve each of the following equations.
a. 5x = –65
b. 40 + x = –5
c. 120 = 6x
d. 6 = z ÷ 14
e. 11y + 20 = 64
f. 6x + 20 = –4
g. 3y – 11 = –32
h. x ÷ 16 = 3

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.

What is the value of f(x) = 2.2 for f(-2)?

Me n o w. i need t h i s. 10 points