The numbers 8,x,9 and 36 are in proportion. Find x​

You are looking at two area rugs for your bedroom. one is a square with side lengths of 6.3 feet. the other is a rectangle that is 4.8 feet by 8.2 feet. which rug will cover the greatest area? how much more area will it cover? with work plzz and u so much

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.