What is the sum of √-2 and √-18? o 4√2 O 4√2i O 5√2 O5√2i

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

The area of a 25-inch tv screen is 300 square inches. the area of a 40-inch tv screen is 768 square inches. the are of the smaller screen is what percent of the area of the larger screen?

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