Factor the expression completely.
-50x^2 +45

Given: ac and db are diameters. m∠3=

How do you find the area of a triangle

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.