13. NUMBER THEORY The sum of the first n whole numbers is given by the expression 31n2 + n). Expand the equation by multiplying, then find the sum of
the first 12 whole numbers.

for b its (t) and c its (d)

step-by-step explanation:

the answer is 9.8975

explanation:

when you multiply the "39.59" with the 25% it reduces it and shows its final discounted price. hope this !

step-by-step explanation:

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right