What is the quadratic regression equation for the data set?
(50, 10)
(30, 11)
(11, 5)
(35, 9)
(50, 12)
(20, 3)
(90, 7)

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Find the difference (8ab+a+2) - (3ab+6)