With 3 weeks remaining before the recycling van comes, Al has collected 23 more cans than Bob. If
Bob is to collect more cans than Al, he must average
at least how many more cans per week than Al?

A) 7 2/3
B) 8
C) 24
D) 69
E) 70

Answer question above and explain each step : )

Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x − 24,000 b. y = -8,000x + 24,000 c. y = 6,000x − 24,000 d. y = -6,000x + 24,000

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?