Using the key, which model is equivalent to the expression 3(x + 1 ) A. W
B. X
C. Y
D. Z

∆abc is reflected across the x-axis and translated 2 units up to give the image ∆a'b'c' with coordinates a'(1, 1), b'(2, -1), c'(2, 1). what are the coordinates of the preimage ∆abc? a. a(-1, 1), b(-2, 3), c(-2, 1) b. a(1, 1), b(2, 3), c(2, 1) c. a(1, -3), b(2, -1), c(2, -3) d. a(1, -3), b(2, -5), c(2, -3)

Someone me i need with this stuff

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.