∠1 and ∠2 are a linear pair. m∠1 = x − 20, and m∠2 = x + 70. Find the measure of each angle.

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.