Over a period of 5 hours, the outside temperature changed by an average of -2.5 per hour. Which statement correctly describes the change in the
temperature from the beginning to the end of the 5-hour period? *

A. The temperature decreased by 0.5 degrees Fahrenheit.

B. The temperature increased by 0.5 degrees Fahrenheit.

C. The temperature decreased by 12.5 degrees Fahrenheit.

D. The temperature increased by 12.5 degrees Fahrenheit.

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

The school track has eight lanes. each lane is 1.25 meters wide. the arc at each end of the track is 180. the distance of the home straight and the radii for the arcs in the 1st 4 lanes are given. s=85m r1=36.5m r2=37.75m r3=39m r4=40.25m part one: find the radii of lanes 5 through 8 of the track. show your work. part two: if max ran around lane one, how far did he run? show your work and explain your solution. part three: max wants to run a total of three laps around the track, choose two additional lanes (2-8) for him to run and find the distance around those two lanes. show your work and round to the hundredths. part 4: based on your lane choices in part three, what was the total distance max ran in the three laps around the track?

Ben frank is an electrician who installs lighting fixtures. he charges (in dollars) his clients 15h+40f15h+40f where hh is the number of hours worked and ff is the number of fixtures installed. how much does ben frank charge when he works 77 hours and installs 99 fixtures?