What is similar multiplying fractions and whole numbers and what is different?

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a. r'(–3, 1),  s'(–3, 5)b. r'(–1, 3),  s'(–5, 3)c. r'(1, 3),  s'(5, 3)d. r'(5, 3),  s'(1, 3)

Three times the sum of a number and seven is negative thirty-six. what is the number?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?