Jason started with d dollars in his piggy bank. one week late, jason doubled the amount in his piggy bank. another week late, jason was able to add $20 to his piggy bank. at this point, the piggy bank had $50 in it. what is d?

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

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x