Find the value of b. Then find the angle measures of the pentagon. b=

Question 2
The angle measures from least to greatest are
∘,
∘,
∘,
∘, and
∘.

Use the elimination method to solve the systems of equations. choose the correct ordered pair. 7x+4y=39

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping