90 points i will give brainliest! - if a line with the equation y = x is dilated by a factor of 2 what is the equation of the resulting line? if it is then moved three units up, what is the equation of the resulting line? - i want to say that the equation does not change, is that correct or am i missing something?

Find the greatest common factor of the polynomial: 10x^5+15x^4-25x^3 10x^5 x^3 5x^3 5

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?