Answer: a=10
Step-by-step explanation:
Answer: 7
Step-by-step explanation:
Factors of 7 are, 1, and 7. The factors of 21 are, 1, 3, 7, and 21, making 7 the gcf.
Answer:
x=3, y=4. (3, 4).
Step-by-step explanation:
y=-x+7
y=x+1
-----------
-x+7=x+1
-x-x+7=1
-2x=1-7
-2x=-6
2x=6
x=6/2
x=3
y=3+1=4
Answer:
0.7
Step-by-step explanation:
8.40 divided by 12
= 0.7