X= 180 - 157
= 23
Therefore, X is 23 degrees. A straight line has an angle of 180 degrees, so subtracting the given angle would give you X.
Answer:
x = 4
Step-by-step explanation:
steps are in the pic above.
2.25*x=10
Which x is the number of books purchased
Solve for x
X=10÷2.25
X=4.44