Why do we estimate a line of best fit for scatter plot

An ice hocky puck has a volume of 113 cm3. It is made out of rubber with a density of 1.5 grams per cm3. Work out the mass of the ice hocky puck.

The ratio of students to teachers is 19:1 how many students are there if there are 100 people total

What is 13 143ths as a unit fraction

Find all rational zeros and factor f (x). F (x) = x^3+6x^2-9x-54

8 more than 5 times a number is - 27 write a function

In order to meet ADA (Americans with Disabilities Act) requirements, a wheelchair ramp must have an angle of elevation of no more than 4.8°. A builder needs to install a ramp to reach a door that is 2.5 feet off the ground.

When marika bought her house she paid 80% of the purchase price of the house with a loan. she paid the remaining $49,400 of the purchase price with her savings. what was the purchase price of her house?

Tony have 48 marbles he had 4 bags he wanted to know how to put all 48 marbles in for in the four bags

The sum of the quotient of a number and 3 and 8 is 16

A 10ft fence is 8in long on a scale drawing what is the scale