The fourth through the seventh terms of an arithmetic sequence are given by a4 = 17, a5 = 21, a6 = 25, and a7 = 29. Which formula can be used to find an?

A. an= 17+4(n-1)
B. an= 9+4(n+1)
C. an= 5+4(n-1)
D. an= 5+4(n+1)
E. an= 4+5(n-1)

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket

(01.03 mc) which of the following is a step in simplifying the expression x multiplied by y to the power of 2 over x to the power of negative 3 multiplied by y to the power of 3, the whole to the power of negative 4. select one: a. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 7 multiplied by y to the power of negative 1. b. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of 12 multiplied by y to the power of negative 12. c. x to the power of negative 4 multiplied by y to the power of negative 8, the whole over x to the power of negative 3 multiplied by y to the power of 3. d. x to the power of negative 4 multiplied by y to the power of negative 2, the whole over x to the power of negative 3 multiplied by y to the power of 3.

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?