Abcd is a trapezoid. ab= 2.5cm, and cd= 4cm, and the area= 6.5cm squared. what is the altitude of the trapezoid?

Acircle has a circumference of 28.36 units what is the diameter of the circle

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document