If A Be the first term and D be the common difference then the nth term of an A. P is equal to​

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.