Answer:
My answer is 1170 but the way I figured out the problem was by listing numbers 1-30. the problem state that the 1st row had 10, 2nd row had 12, and 3rd row had 14 and so forth. So I basically did the same method till I got to 30 and then add up all the numbers which gave me the answer of 1170.
Step-by-step explanation:
Commutative property of multiplication is two numbers being multiplied either way,example 1x2 = 2x1.
Answer:
x=15
Step-by-step explanation: