Sally says that b2 – 4 factors into (x + 2)(x + 2). Explain why sally is wrong and factor the expression correctly.​

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

How can you construct perpendicular lines and prove theorems about perpendicular lines

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?