Which set of numbers could be the lengths of the sides of a triangle?

a. 2, 5, 4
b. 3, 5, 9
c. 4, 9, 3
d. 17, 15, 2

20 points! asap! a is known to be 6,500 feet above sea level; ab = 600 feet. the angle at a looking up at p is 20°. the angle at b looking up at p is 35°. how far above sea level is the peak p? find the height of the mountain peak to the nearest foot. height above sea level =

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

What is the size of the matrix resulting from