[square root of (7 X 7)] / 7 equals 1. Multiply that by 7 X 7.
The answer is 7s + 49.
Expressed algebraically, this would equal 7s - 5.
2
5
5
2s2+7s-15 = (2s-3)(s+5) when factored
7,14,21,28,35
Exactly 9 of them are.9 of them.
Thetr are: 40/7 = 5 with a remainder of 5
5 out of 49 as a decimal = 0.10204= 5/49 =5 ÷ 49 = 0.1024
999 ÷ 7 = 142 remainder 5
12