Answer:
3).

4).
If it was by 10, k = 3 by 10
k = 30
5).

Answer:
122+42x= 2( 61+21x)
4x+16x+24 = 4(5x+6)
24x+48-3x = 21x+48
3x+39-2x = x+29
Step-by-step explanation:
The answer is D, 40%. I got it by knowing that 3 and 4 were the success numbers and that 0,1, and 2 were unsuccessful and that numbers 3 and 4 are less than half, so I went with 40% and it was right. Good luck apex! Finish strong!
Answer:
Bottom left
< means that it's dashed line
Inc on (-inf,0)
Dec on (0,inf)