True or false: an isosceles trapezoid has all equal sides

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4