Find the exact value of the expression if ? = 60°. Do not use a calculator.g(?) = cos ?Find 3 g(?).
A. 
B. 
C. - 
D. - 
Answer: A
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Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $10 each and a number of necklaces at $14 each. She wrote a check for $1440 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 65 bracelets and 55 necklaces B. 55 bracelets and 65 necklaces C. 70 bracelets and 50 necklaces D. 60 bracelets and 60 necklaces
Solve the problem.Jarod calculated the speed of a train to be 28 feet per second. Calculate the speed in miles per hour. Round to the nearest whole number.
A. 19 mi/hr B. 15 mi/hr C. 16 mi/hr D. 22 mi/hr
Find the domain and range for the function.
A. D: {-6, -4, 4, 6}; R: {-4, -2, 4, 6} B. D: {-4, -2, -1, 3, 4, 6}; R: {-6, -4, -2, 2, 4, 6} C. D: {-6, -4, -2, 0, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6} D. D: {-6, -4, -2, 2, 4, 6}; R: {-4, -2, -1, 3, 4, 6}
Evaluate the expression for the given value or values.- 
for x = -450, y = -9
A. -50
B. 
C. - 
D. 50