Match each pair of points a and b to point such that abc = 90° a(3, 3) and b(12, 6) c(6,52) a(-10, 5) and b(12, 16) c(16,-6) a(-8, 3) and b(12, 8) c(18,4) a(12, -14) and b(-16, 21) c(-11, 25) a(-12, -19) and b(20, 45) a(30, 20) and b(-20, -15)

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14

Given that δabc is similar to δdef, which is a possible trigonometric ratio for ∠d? a) tan d = 24 30 b) tan d = 30 24 c) tan d = 18 24 d) tan d = 24 18

Sole the equation 6n + 9 = -3n - 21 - 6 for n