Santana went for a hike on the 21 2/5 mile South Boundary Trail. If she can hike2 1/2 miles in 60 minutes, how long will it take her to hike the entire trail?

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

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

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x, y) coordinate plane?