Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean theorem and then find the value of the indicated trigonometric function of the given angle. Rationalize the denominator if applicable.Find sin A when b = 30 and c = 50
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Write out the first three terms and the last term of the arithmetic sequence.
A. -5 + 0 + 5 + . . . + 55 B. 0 + 5 + 10 + . . . + 55 C. -5 - 0 + 5 - . . . + 55 D. 0 + 20 + 70 + . . . + 295
Mathematics
Write the following in interval notation.{x| x > 7}
A. (?, 7) B. (7, -?) C. (-?, 7) D. (7, ?)
Mathematics
Solve the problem.A restaurant offers a choice of 5 salads, 8 main courses, and 3 desserts. How many possible 
meals are there?
A. 240 possible meals B. 120 possible meals C. 16 possible meals D. 40 possible meals
Mathematics
Write the equation in slope-intercept form.11x + 6y = 11
A. y = 
x + 
B. y = 11x - 11
C. y = 
x - 
D. y = - 
x + 
Mathematics