Answer:
Step-by-step explanation:
5c+1+3c=61
8c+1=61
8c=62
c=7.75
Answer:
8
Step-by-step explanation:
I think its because log e is ln so ln is a natural logarithm.
31.62
You use pythagorean theorem so 30 is legA and 10 is legB so 20^2+10^2= square root legC which is 31.62
Answer:
-96
Step-by-step explanation:
15+11=26+7=33+(-129)=-96