7 Identify the equation in point-slope form for the line with a slope of g and contains the point (12, 15).
Oy - 12 = 15(x-7)
Oy- j = 12(x - 15)
Oy - 15 = 7(x-12)
Oy- 12 = 7 (x-15)
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Which of the following is the missing term, a2, of the geometric sequence in which a1=2 and a3=200

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

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.