Suppose you know that ∠S and ∠Y are complementary, and that m∠S = 2(m∠Y) − 30°. Find m∠Y.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

Tim open up a new saving account with a $50 deposit and plant to deposit $20 per week into the same account. write an expression to represent the total amount in his savings account.

Either enter an exact answer in terms of \piπ or use 3.143.14 for \piπ and enter your answer as a decimal.