1. you use a line of best fit for a set of data to make a prediction about an unknown number value. the correlation coefficient for your data is 0.109. how confident can you be that your predicted value will be reasonably close to the actual value.
a, i cant be confident at all
b. i can be a little confident
c. i can be very confident
d. i can be certain

2. for the data in the table does y vary directly with x. if ir does write an equation for the direct vatriation. table is x3 y6 x6 y18 x8 y24

a. yes y=2x
b yes y=3x
c. yes y=4x
d. no y does not vary with x

2.5 milligrams is equivalent to how many grams

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?

Plz hurry finals a paper cup in the shape of an inverted cone is 8 inches tall and has a radius of 1.5 inches. how much water can the cup hold? use 3.14 for pi. round the answer to the nearest tenth. a) 12.6 cubic in. b) 18.8 cubic in. c) 37.7 cubic in. d) 56.5 cubic in.