Find the sum of the infinite series. 11, 44, 176, 704, ...

a. infinity
b. 231
c. 3751
d. 935​

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}

How do you find the distance of each number from the mean

An expression for the average of x 2x and 3y