CDE maps to ASTU with the transformations (x, y) (x-2,y-2) (3x,3y) (x,-y) . If CD=a + 1, DE = 2a - 1 , ST = 2b + 3 and TU = b + 42 find the values of a and b.

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup

Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?