It’s zero, I think. Because
3 doesn’t round up. It’s stays the same. But since there is nothing in the hundred place. It is 0.
The family needs 4 days to cover 1,400 miles
The tangent at A is perpendicular to OA, so has a slope that is the negative reciprocal of that of the radius: -1/2.5 = -2/5.
Answer:
5 f
Re-order terms so that constants are on the left
. 5
5 f
solution
5 f