If the ratio of a circles sector to its total area is 7/11 what is the measure of its sector arc

Y=4x^2+x-1 solve using quadratic formula

One integer is 8 times another. if the product is 72, then find the integers

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?