An upcoming marathon qualifying time for males age 18-34 is 3 hours.
a: write an inequality that represents how many hours a male runner could take to run a marathon in order to qualify.
b: will a runner with the fastest marathon time of 3 hours 9 minutes qualify for the upcoming marathon? explain

Solve by any method (graphing, substitution or linear combination)y = x - 82x + 3y = 1a) (2, -6)b) (5, -3)c) (4, -4)d) (0, -8)i figured it out. the answer is (5, -3)

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Which of the following is the graph of y= square root -x-3