Help! I don't know how to do this, you could explain or help pls pls pls

(2x2+7x−4)+(−10x−4)

Statement: if two distinct planes intersect, then their intersection is a line. which geometry term does the statement represent? defined term postulate theorem undefined term

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

Acylinder and its dimensions are shown. which equation can be used to find v, the volume of the cylinder in cubic centimeters?