Answer:
22
Step-by-step explanation:
i = 3c
i = c + 14
set both equations equal to each-other, we can
solve for c, we must.
3c = c + 14
subtract c from both sides, we must.
2c = 14
divide both sides by 2, we must.
c = 7
7 years old, Christopher is.
Answer:
12
Step-by-step explanation:
15×0.8= 12
you're multiplying the total number of questions with the score as a decimal
Answer:
X
Step-by-step explanation:
Trust me or its cannot be determined
Answer:
40º
Step-by-step explanation:
if u look at the triangle it would show you