Which expressions are equivalent to 2(5+2y)+4(5+2y)? Choose all the correct answers. 20+8y

30+12y

4(5+2y)

6(5+2y)

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

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