M = miles Marcos drove
c = miles Candice drove
m = 2c
m + c = 66
Plug m=2c into the second equation :
m + c = 66
(2c) + c = 66
3c = 66
Choice A
If x=6 and y=3 is 9_______________________________________
Step-by-step explanation:
Gradient of a line is (x-1-x2)+(y1-y2)
(2--2) +(-2--6)
(4)+(4)
(8)
the gradient of the line is 8
Answer: 125
Step-by-step explanation:
1. 35:28 * 100 =
2. (35 * 100):28 =
3. 3500:28 = 125
The answer is 13n+13 because when combining like terms (18n and -5n), you get 13n and you're left with the number without a variable which is 13