Please help! Find the quotient: 7/8 ÷ 3/8 =
(1) 21/64
(2) 3/7
(3) 2 1/3
(4) 7 1/3

How do i multiply two digit numbers

Atrain leaves little? rock, arkansas, and travels north at 90 kilometers per hour. another train leaves at the same time and travels south at 80 kilometers per hour. how long will it take before they are 680 kilometers? apart?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer