Calculate the amount of simple interest on $25,000 for 9 years at 5.5% interest to the nearest dollar.
a. $12,000
b. $12,375
c. $1,237
d. $123,750

Identify reflection rule on a coordinate plane that verifies that triangle a(-1,7), b(6,5), c(-2,2) and a’(-1,-7), b(6,-5), c’(-2,2) triangle are congruent when reflected over the x-axis