Abcd is a rhombus. = 8 cm, and = 3.5 cm. what is the area of the rhombus? a. 14 cm2 b. 21 cm2 c. 28 cm2 d. 56 cm2

Which of the following expressions is equal to 2x^2+8

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.