9. The streets in a town are arranged in square blocks. Sam
leaves his house and rollerblades 4 blocks south and 3
blocks west to the athletic field. He then rollerblades 2
blocks south and 5 blocks east to the library. How far is the
library from Sam's home?
O a) 10 blocks
b) 14 blocks
DC) 12.2 blocks
d) 7 blocks

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

Arestaurant gives out a scratch-off card to every customer. the probability that a customer will win a prize from a scratch-off card is 25%. design and conduct a simulation using random numbers to find the experimental probability that a customer will need more than 3 cards in order to win a prize. justify the model for your simulation, and conduct at least 10 trials.

The u-drive rent-a-truck company plans to spend $13 million on 320 new vehicles. each commercial van will cost $25 comma 000, each small truck $50 comma 000, and each large truck  $80 comma 000. past experience shows that they need twice as many vans as small trucks. how many of each type of vehicle can they buy?