The simplified for is 9n+2
10 coins. 70 divided by 7equals 10
Answer:
10years
Step-by-step explanation:
100%+100%=double
100/10=10 years to reach 100% so after ten years you will have 200%/double
There are 5
hope that this helps and good luck
Answer:
C.30
Step-by-step explanation:
area of a triangle is 1/2 the base times the height