Addition: 70 + 80 = 150. You round 65 up because the ones digit is greater than and the same with 77.
Multiplication: Round up since both ones digits are bigger than 5. 70 x 80= 5600.
It is neither one. Division by zero is undefined in math, so if the slope ends up being 5/0, the line has undefined slope.
The answer to the question above is letter C. To explain the answer if the given question, a circle of 30 inches radius, if the central angle is 35 degrees, intersecting the circle forms an arc of length which is 18.33 inches.
1: 72
2: 32
3: 1/2
I think this is it
