Demi is working on a presentation about a famous mathematician for her math class. She decides to make her poster in the shape of a plus sign. What is the total area of Demi’s poster?

Write a recursive sequence that represents the sequence defined by the following explicit formula:

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove