Christina drew a scale model of an Olympic-size swimming pool using a scale in which 3 centimeters represents 10 meters. If the length of the pool in her drawing is 15 centimeters, what is the length of the actual pool?

What are the soultion(s) to the quadratic equation 40- x^2=0

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

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?