Use a calculator to find the approximate value. Express your answer in degrees rounded to two decimal places.cos-1(-0.9397)
A. -20°
B. 157°
C. 160°
D. 162°
Answer: C
Mathematics
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Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.1
÷ 
A. 
B. 5
C. 5
D. 5
Mathematics
Perform the indicated operation and simplify. Write the result in the form a + bi.(1 + 5i)2
A. -24 + 10i B. 1 + 10i + 25i2 C. 26 + 10i D. -24 + 0i
Mathematics
Suppose 3 pounds of mixed fruit cost $4.80. Use the unit price (price per pound) to determine how much 13 pounds of mixed fruit cost will cost?
A. $20.10 B. $16.00 C. $20.80 D. $1.60 E. $21.40
Mathematics
Write the percent problem as a proportion.3.7 is what percent of 9.7?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics