One number is 3 less than twice another. if their sum is 39, find the numbers. which of the following systems of equations represents the word problem? a) y=2x-3 and y=x+39 b) y=2x-3 and x+y=39 c) y=2(x-3) and x+y=39

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)