Answer:
First you can substitute y with the value of it. So -3x=(4x+17)+4. Once you've found x plug in that value in -3x and solve for y.
Answer:
3
Step-by-step explanation:
A'B'C'D' is 3 times bigger than ABCD, so to get back to the original we gotta count the length of B'C' and devide by 3

(x^2) - 16 / x+4 = (x-4)(x+4) / (x+4) = x-4, x not equal to -4
D is the answer.
Answer:
320
Step-by-step explanation: 208 is 35% less
320 * 0.35 = 112 320 * 0.35 = 112 = 208 +112 = 320
Answer:
20 is unreal numbers and 21 is no solution
Step-by-step explanation: