What is the value of the x variable in the solution to the following system of equations? (5 points) 4x − 3y = 3
5x − 4y = 3

A. x can be any number as there are infinitely many solutions to this system

B. There is no x value as there is no solution to this system

C. −3

D. 3

Part a: solve –mk – 120 > 95 for m. show your work. (4 points) part b: solve 2c – 9f = 45 for f. show your work. (6 points)

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Aof 12 , we to a of 4 to on a .of 4 be ?