The answer to the question is c. If you are in multiplying, 8(2)= 16 & 3(3)= 9
2x+x=105
3x=105
The answer is A
The correct answer is, obviously, 34/7.
9^-2 = 1/81 or 0.0123
When there is a negative in front of the exponent it makes a fraction. It is usually just 1/the number it equals if it were positive.
Consecutive= One after another
17 + 18 = 35
Your two consecutive numbers are 17 and 18