Simplify the expression. (x^2 - 9)/(x^2 + 2x - 15)
A
(x - 1)/(x - 6)
B
9/(15 - 2x)
C
3/(2x + 5)
D
(x + 3)/(x + 5)

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

22. catie is starting a babysitting business. she spent $26 to make signs to advertise. she charges an initial fee of $5 and then $3 for each hour of service. write and solve an inequality to find the number of hours she will have to babysit to make a profit. interpret the solution.!

Student representatives surveyed their classmates on their preference of a school mascot for a new school. the results are shown in the table below. which pair of samples seems most representative of student preference?