Arunner completed a 26.2-mile marathon in 210 minutes. estimate thebes's unit rate, in minutes per mile

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points