1. Find the simple interest and amount in each of the (a) P = $1800
R = 5%
T = 1 year
(b) P = $2600
R = 12%
T = 3 years
2
(c) P = $3125
R = 15%
T = 73 days
(d) P = $5660
R = 11%
T = 9 months
(e) P = $180
R = 3%
T = 1°/, year
2. In what time will $400 amount to $512 if the simple int

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.

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

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