Joe buy pens and pencils. pens cost $1.50 and pencils cost $0.75.Write an equation that represents the combinations of how many each of each he can buy for $12

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet