The answer should be A, if he marked it up 70% just multiply 66 by 1.7 for your answer.
Answer:
20 feet below sea level
Step-by-step explanation:
Answer:
132 cm²
Step-by-step explanation:
Your welcome
Answer:
6 2/3
Step-by-step explanation:
2 2/5 * 2 7/9
Change each number to an improper fraction
2 2/5 = (5*2+2)/5 = 12/5
2 7/9 = (9*2+7) = 25/9
12/5 * 25/9
Rewriting
25/5 * 12/9
5/1 * 4/3
20/3
Now changing to a mixed number
3 goes into 20 6 times with 2 left over
6 2/3
Answer:
Step-by-step explanation:
Since this is not factorable, let's just complete the square:
