Is the answer
a) distance
b) slope
c) midpoint

possible slope

step-by-step explanation:

if you know the slope you have a good idea about where the line is going so you would know if it is going to intersect another line but im not sure

slope

step-by-step explanation:

i know the answer but i don't know how to explain it.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm