4. street horizontal distance (ft) vertical rise of street (ft)
dixie hill 80 40
bell hill 80 20
liberty hill 80 60
which hill described in the table is the steepest?
explain.

a. bell hill; it rises one foot for every 4 feet of horizontal travel.
b. dixie hill; it rises 2 feet for every 1 foot of horizontal travel.
c. liberty hill; it rises 4 feet for every 3 feet of horizontal travel.
d. liberty hill; it rises foot for every 1 foot of horizontal trave

let soccer = x and golf = y

part a

1st equation: x + y = 125

2nd equation: x = y +45

part b

replace x in the 1st equation with the 2nd one:

y + 45 + y = 125

simplify:

2y + 45 = 125

subtract 45 from each side:

2y = 80

divide both sides by 2:

y = 80/2

y = 40

she plays golf for 40 minutes.

part c

no because she plays soccer for 45 minutes longer than golf 40 +45 =   85 minutes, not 80 minutes.

y = 5x + 17

step-by-step explanation:

a perpendicular line will be the opposite reciprocal slope of the given equation.   the slope given is -1/5 so the opposite reciprocal is 5

find b:

7 = 5 (-2) + b

7 = -10 + b

17 = b

write equation

y = 5x + 17