I will give brainliest to first A circular hole was cut from the center of a plastic disc as shown below. The measurements are given in millimeters (mm). Answer choices are 177 330 11,127 11,304 (Middle number says 15 mm btw)​

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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?

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts