Answer:
65
Step-by-step explanation:
-3x^3 + 7x^2 -7x-1
Let x = -2
-3(-2)^3 +7(-2)^2 -7(-2) -1
According to PEMDAS, Powers first
-3(-8) +7(4) +14 -1
Then multiply
24 +28 +14-1
Then add and subtract
Answer:2 7/12 hours.
Step-by-step explanation: First, convert 1 3/4 to improper fraction form which will give you 7/4. Then find the common denominator of 5/6 and 3/4. The common denominator is 24. 5/6=20/24. 7/4=42/24. 20/24+42/24= 2 7/12.
Answer:She placed the decimal point incorrectly when dividing. i took the test
2x^2 - 3x - 1
