A. find the slope of the roof of a home that rises 8 feet for every horizontal change of 24 feet.

write your answer as a fraction in simplest form

slope:

b. the cost of nails varies directly with the number of pounds bought. if 4 pounds of nails cost $11.60, what is the cost of 3.5 pounds?

$?

definition: a circle is the  set of all points in a plane that are equidistant  from a given  point  called the center of the circle. we use the symbol ⊙ to represent a circle. the a line segment from the center of the circle to  any point  on the circle is a radius of the circle.

step-by-step explanation:

i googled it and this is what i got i don't know how it is. sorry.

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so: