Aparallelogram has vertices e(1, 4), f(5, 3), g(−3, 1), and h(1, 0). what are the coordinates of the midpoint of each diagonal? (1, 2) (3, 3.5) (−1, 2) (−1, −2)

Which expressions are equivalent to -7+3(-4e-3)? choose all answers that apply: choose all answers that apply: a -4(3e+4)? 4(3e+4) b 12e12e c none of the above

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?

What is the domain of the step function f(x)=[2x]-1?