last year, mr. harper completed a
50-mile bike race in
4 hours 20 minutes. this year he
would like to complete the same
race in 4 hours. how many miles
per hour should mr. harper cover in
order to complete the bike race in
4 hours?
[d-r]
s
a
14.5 miles per hour
b 13.5 miles per hour
c 12.5 miles per hour
d 11.5 miles per hour

The sum of two numbers is 86, and their difference is 20. find the two numbers

Consider a bag that contains 220 coins of which 6 are rare indian pennies. for the given pair of events a and b, complete parts (a) and (b) below. a: when one of the 220 coins is randomly selected, it is one of the 6 indian pennies. b: when another one of the 220 coins is randomly selected (with replacement), it is also one of the 6 indian pennies. a. determine whether events a and b are independent or dependent. b. find p(a and b), the probability that events a and b both occur.

Which value of y will make the inequality y< -1 false?