Y= x + 2x-1
y-3x = 5
the pair of points representing the solution set of this system of equations is
and
reset
1(-2, 1)
(-2,-1)
(-3,-4)
(-1.5, -2.25)

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

What is the length and width of a 84.5 square foot rug? will mark