AB is a diameter and BR is chord of a circle centered at P. BR is produced to C. PC and AR intersect at T and PQ is perpendicular to BR. Calculate the length of BC if BQ is 24 mm and PT is 1/3 TC

Is the open sentence 5x-2=3x+2 true when x=2? justify your answer.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?