25 POINTS URGENT: A data set has 20 elements. a second data set of 20 elements is obtained by adding 7 to each element of the first set. a third data set of 20 elements is obtained by multiplying each element of the second data set by 3. the median of the third data set is 63. what is the median of the first data set?

14

Step-by-step explanation:

i just used fill in the blank so like i took the possible answers, like 14, and plugged it in so, 14+7= 21 and 21*3= 63

14

Step-by-step explanation:

I think so...wait others answer for sure

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

answer: a and b

step-by-step explanation: