If Fx) = x2 - 81 and g(x) =x+9/x-9, find g(x)•f(x)

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50