How do I find the nth term in a T-totals grid that is 7 by 7?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x