Is y = a(1+r^x) an exponential function?

Landon wallin is an auto mechanic who wishes to start his own business. he will need $4400 to purchase tools and equipment. landon decides to finance the purchase with a 48-month fixed installment loan with an apr of 5.5%. a) determine landon's finance charge. b) determine landon's monthly payment.

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m