no 15
144 9+7 = 16 and 9*16 = 144
It is the property that equals plus equals are equals.
Fibonacci numbers
89
6 plus 7 plus 8 equals 6 plus 8 plus 7, what property is that?That is the associative property.
it is 28
7/16 + 5/8 find a common denominator: 7/16 + 10/16 17/16 otherwise written: 1 and 1/16.
8
The answer is 144. The compound operator for (a) and (b) in each pair is a * (a+b). For 9 and 7, this is 9 x (9+7) = 9 x 16 = 144.
8+8=16
16. Because if y=8 then the question becomes 8+8. Which equals 16.
If: -8y-7 = -8+8y Then: -7+8 = 8y+8y And: 16y = 1 So: y = 1/16