Answer:
robert is 12 years old
Step-by-step explanation:
robert's age=x
40=3x+4
that's the equation
=36=3x
x=12
Answer: slope = 1/2
X-2y=10
-2y=-x-10 subtract x from both sides
2y=x+10 divide by -1
y=<u>1</u> x + 5 Divide by 2
2
slope = 1/2
12546
9.5% = 0.95 = 95
12,640 - 95 = 12546
16
150 by 100
