Igot 5 minutes. using the quadratic regression, to find the standard equation of the parabola following the points : (1,3), (2,5), (3,3) what is the equation of standard form for y, and explain how you got this answer.

Which expression and diagram represent “renee biked four times as far this month as last month”?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

The coverage of a base station of a telecommunication company forms a disk with a radius of (kilometers). let be the distance of a cellphone from a base station. assume that the location of cellphones in use are randomly uniformly distributed within the disk. calculate the mean and variance for the random variable.