-3,12,-48,192 Geometric sequence 7th term

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?

How do you write a paragraph proof to prove that the corresponding angles shown are congruent