Let f(x) = x2 – 15 and g(x) = 5 - x. Perform the composition or operation indicated.
(Simplify your answer. Type an integer or a fraction.)

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3

Find two numbers if their ratio is 4: 7 and their difference is 123.