Yolanda's class has 40 members. the teacher will not give a test unless at least 80% of the class is in attendance. how many class members must be present in order for the teacher to give a test?

Combine the information in the problem and the chart using the average balance method to solve the problem.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32