Find the area of the given shape if a = 73.7 cm, b = 43.6 cm, and c = 15 cm. %3D

Twice the sum of a number and negative two is eight. Find the number. Round your answer to the nearest integer,if necessary.

A woman bought some large frames for $1414  each and some small frames for $66 each at a closeout sale. If she bought 2020 frames for $168168​,find how many of each type she bought.   The perimeter of a triangle is 90 centimeters. If two sides are equally long and the third side is 99 centimeters longer than the​ others, find the lengths of the three sides. Primo car rental agency charges $20 per day plus $0.40 per mile. Ultimo car rental agency charges $20 per day plus $1.00per mile. Find the daily mileage for which the Ultimo charge is twice the Primo charge. One number is two less than a second number. Four times the first is 14 more than 2 times the second. Find the numbers.     At a concession​ stand, three  hot dogs and two hamburger cost $6.75. Two hot dog and three hamburger cost $7.00.  Find the cost of one hot dog and the cost of one hamburger   An airplane takes 4 hours to travel a distance of 2400miles with the wind. The return trip takes 5hours against the wind. Find the…

Determine whether any three consecutive integers represent the lengths of the sides of a right triangle.  Please include all steps, formula used (if any), include units in your answers (if any) and clear handwriting. Thank you !