If

is red, than the remaining

would be blue.

+

would give you

.
Answer:
x = 11/2
Step-by-step explanation:
Answer:
a equals 105°
Step-by-step explanation:
angles in a straight line add up to 180°
a+75=180
a=180-75
a=105°
900-573=327 To reach their goal the least amount of books they need to read is 327