What is the area of this triangle? 1 A = - * - - - - - - - 4- ( - A - 4-5 X 1 :)

Can someone me with my math problem pls my teacher is on my back about this

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm

Apasta salad was chilled in the refrigerator at 35° f overnight for 9 hours. the temperature of the pasta dish dropped from 86° f to 38° f. what was the average rate of cooling per hour?