Use Heron's formula to determine the area of the triangle. If necessary, round the answer to two decimal places. 
A. 44.74
B. 195.03
C. 14.98
D. 4.86
Answer: C
Mathematics
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Simplify by factoring out the given factor.15s1/7 - 7s-3/7; s-3/7
A. s1/3(15 - 7s4/7) B. s1/7(15s4/7 - 74/7) C. s-3/7(15s4/7 - 7s) D. s-3/7(15s4/7 - 7)
Mathematics
Find the range of the quadratic function.f(x) = 11(x - 2)2 + 8
A. [-8, ?) B. [8, ?) C. [2, ?) D. (-?, 8]
Mathematics
Solve the problem.The regular price of a bathing suit is $44. The price is decreased 30% for a sale in July. What is the sale price of the suit?
A. $29.80 B. $31.80 C. $30.80 D. $13.20
Mathematics
Multiply the complex numbers. Write the answer in trigonometric form.
?
?
A. 
B. 
C. ?
D. ?
E. ?
Mathematics