Solve the problem.Suppose that a radio transmission pattern can be modeled by 
for 
where the units are miles. Determine the predominant direction(s) of transmission and the distance(s) of transmission in such direction(s). Assume that the positive 
points east.
A. Northeast and southwest; 19,600 miles
B. North and south; 140 miles
C. Northeast and southwest; 140 miles
D. Northeast; 140 miles
Answer: C
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Perform the indicated operations and simplify the result. Leave the answer in factored form.
- 
A. 1
B. 
C. 
D. 
Frank needs $4,000 to replace the flooring in his home. If Frank saves $100 per month for three years in an account that pays 10% interest compounded monthly, will he have enough to pay for his new floors? How much money will he have in his account at the end of three years?
a. Yes, Frank will have $4,178.18 in his account at the end of three years. b. No, Frank will only have $3,780.25 in his account at the end of three years. c. Yes, Frank will have $8,089.40 in his account at the end of three years. d. Yes, Frank will have $4,001.50 in his account at the end of three years.
Solve the system algebraically.8x + 8y = 67x + 7y = 14
A. (1, 1) B. no solution C. (7, 7) D. (0, 0)
Subtract.88
A. 86 B. 130 C. 46 D. 42