Answer:
Step-by-step explanation:
You are going to choose 4 books in any order.
Four = 12! /(8!4!) Remember that order doesn't matter, so we have 12C4
495
Answer: second option -300+150+(-50)
Explanation:
She going down, the value is negative. When going up, the value is positive. So when the swimmer swims down 300 feet, the value is negative. Then he goes up 150 ft, which makes the value positive. Finally, he swims down 50 ft, so the valued is negative.
Answer:
The answer is A f(x)=-2x + 70
Step-by-step explanation:
Inflation Rate= CPI2-CPI1/CP1 x 100