Answer:
24
Step-by-step explanation:
4 years ago, Daniel would've been 4 and Kevin would be 20, so Kevin would've been 5 times as old as Daniel. And 8 x 3 = 24. So, Kevin is 24.
Answer:
y = 3x - 1
Step-by-step explanation:
Slope-intercept form: y = mx + b
m = slope
b = y-intercept
The answer comes out to be X= -2
Answer:
z=-3
Step-by-step explanation:
42 = -7z+21
-7z=21
z=-3
The answer is : 40+30=70
70+10=80 therfore the final or cumulative discount is 80%