Factor the following: x4 - 16

x4-2x2y2+y4

2x2-18x-20

5x2-50x+125

4x4+8x3+4x2

4x2+4x+1

x2+169

9x2-18x+9

In the figure shown below, m < 40 and ab =8. which equation could be used to find x?

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?