For which intervals below is the average rate of change of m(x) = -5x-3 less than -25?
intervals

a | 3 x 5
b | 4 x 5
c | 4 x 6
a) interval a only
b) interval c only
c) intervals a and b only
d) intervals b and c only

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.

Fill in the blank 1. a rhombus is a rectangle a) always b) sometimes c) never 2. a square is a quadrilateral a) always b) sometimes c) never 3. a trapezoid is a kite a) always b) sometimes c) never 4. a quadrilateral is a kite a) always b) sometimes c) never 5. a square is a rhombus a) always b) sometimes c) never 6. a parallelogram is a rectangle a) always b) sometimes c) never

Atriangle has side lengths of x, x+11, and 3x+5. what is the perimeter?