Solve the equation.
f - 4 = 1
A. -15
B. 9
C. -9
D. 15
Answer: D
Mathematics
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Perform the indicated division.
A. y - 9
B. y + 
C. y2 + 9
D. y + 9
Mathematics
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.
+ 
= 
A. x = 
B. x = 
C. x = 
D. x = 
Mathematics
Fill in the blank with one of the words or phrases listed below.
An angle whose measure is between 90° and 180° is called a(n)
angle.
A. right B. obtuse C. straight D. acute
Mathematics
Find the value. 
A. 11.978 B. 15.784 C. 13.816 D. 28.102
Mathematics