I have no idea what Im doing will mark help Im failing geometry with a 45 lol

B. Altitude

Step-by-step explanation:

This dotted line shown on the triangle is the triangle's height at a 90 degree angle. In other words, how tall the triangle is.

Hope this helps! :)

3,000,540

step-by-step explanation:

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.