On the first 3 of 4 consecutive days Gary delivered 78, 52, and 70 newspapers how many newspapers to get delivered on the fourth day if the average number of newspapers he delivered per day during the four day period is 72

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Find the multiplicative inverse of 8-12i

Ten times the square of a non-zero number is eqaul to ninety times the number