What are the excluded values of x for x²-7x-18
?
x= -9, x = 2
X=-9, x=0
X=-2, = 9
x = 0, X = 9

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Points j and k plotted on the coordinate grid are two vertices of rectangle jklm rectangle jklm has an area of 7 square units point j is located at 2,1 and point k is located at -5,1 each vertex of the rectangle is located at a point that has integer coordinates. what is the perimeter of rectangle jklm? (need answer asap)