Perform the indicated operation. Write the result in standard form.(7 + 7i)(2 + 6i)
A. -28 + 56i
B. -28 - 56i
C. 42i2 + 56i + 14
D. 56 - 28i
Answer: A
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Solve the problem.A restaurant serves dessert in a cone-shaped dish with a diameter of 5 cm. If the dish is 9 cm deep, how many cubic centimeters of dessert can the dish hold? Use 3.14 as the approximate value of ?. Round to the nearest hundredth if necessary.
A. 176.63 cm3 B. 47.1 cm3 C. 58.88 cm3 D. 235.5 cm3
Perform the indicated operations and simplify the result. Leave the answer in factored form.
A. 
B. 5 - x2
C. 
D. 
Use a calculator to find the logarithm. Give an approximation to four decimal places.ln 163
A. 0.1957 B. 60.1476 C. 5.0938 D. 2.2122
Solve the problem.Find the area of the Bermuda Triangle if the sides of the triangle have the approximate lengths 844 miles, 925 miles, and 1317 miles.
A. 388,124 mi B. 1,552,494 mi C. 513,202 mi D. 491,512 mi