Please help: Trigonometry
Objective: Use trigonometry functions to find the area of triangles.
In ΔPQR, PQ=12, PR=3, and m< P=78. Find the area of ΔPQR, to the nearest tenth of a square unit

What is the quotient of 42/3 divided by 4 1/5

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick

Akitchen is 12 ft. by 14 ft. with 10 ft. high walls. how much would it cost to put vinyl flooring in this room? $8.80 per ft