Two vectors are said to be parallel if they point in the same direction or if they point in opposite directions. part a are the vectors v1=< 3,1> and v2= < -3,-1> parallel? show your work and explain.

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.

Factor the expression using gcf 9b+45

Which expression is equivalent to -12(3x-3/4)