Find all solutions of the equation in the interval [0°, 360°). Round the answers to the nearest tenth of a degree.cot (? - 30°) = -2
A. {56.6°}
B. {236.6°}
C. {183.4°}
D. {56.6°, 236.6°}
Answer: C
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Multiply the rational expressions. 
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A. 
B. 
C. 
D. 
Identify the given number as "Rational", "Irrational", or "Not a real number". If the number is rational, give its exact value. If the number is irrational, give a decimal approximation to the nearest thousandth.
A. Rational, -15 B. Not a real number C. Irrational, -112.500 D. Irrational, -15.000
Answer the question.If the trinomial ax2 + bx + c is a perfect square, what can we conclude about the solutions of the equation ax2 + bx + c = 0?
A. The equation has no real number solutions. B. The equation has two different rational solutions. C. The equation has exactly one rational solution. D. The equation has exactly one irrational solution.
Solve the problem.A caterer uses special stacking ovens to prepare large amounts of food. Find the total number of servings that can be prepared in one hour.Cookies: 18 servings per panNumber of pans per oven: 6Pan changes per hour: 6Number of ovens: 4
A. 648 servings B. 2542 servings C. 2592 servings D. 432 servings