Hector entered a 3-day bike race he traveled 20t miles on the first day, 15(t+6)miles on the second day, and 25(t-3) miles on the third which polynomial repersents the average miles hector went each day? 20t+120t+560t+360t+15

Multiply. write your answer in simplest form. 3/8 x 5/7

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?

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial