What is the multiplicative inverse of -1/3

Select all the statements that apply to this figure

How many and of which kind of roots does the equation f(x)=x3−x2−x+1

You had $235 in your savings account nine weeks ago. you withdrew the same amount each week for 8 straight weeks. your balence was then $75. solve the equation 235 - 8m=75 to find how much money m you withdrew from your account each week. 2 points