A.) Phone numbers in Italy are in the format of: AB-CDDD-where A can be any number 4-9, B can be any number 1-9, C can be any number 3-9, D can be any number 2-7, and X can be any numberhow many possible phone numbers are possible in Italy? A) 116,640,000
B) 196,830,000
C) 699,840,000
D) 816,480,000

b.) From the question above, if the population of Italy legally entitled to have a phone number is 82,000,000...how many phone numbers could everyone in Italy have?
A) 10
B) 7
C) 3
D) 2
E) 5

Please answer both questions!

What is the reflection image of (5,-3) across the line y = -x?

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)