Solve the problem.The formula A = 
gives a student's average A after T tests and Q quizzes, where each test counts as 2 quizzes, t is the test average and q is the quiz average. Solve for T.
A. T = 
B. T = 
C. T = 
D. T = 
Answer: A
Mathematics
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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.
A. 0.00142857 B. 700 C. 100 D. 0.07
Mathematics
Add the integers.-474 + 858
A. 284 B. 384 C. 376 D. 1332
Mathematics
Solve the problem.For what numbers ? is f(?) = cot ? not defined?
A. odd multiples of ? (180°)
B. odd multiples of 
(90°)
C. integral multiples of ? (180°)
D. all real numbers
Mathematics
Solve the linear inequality. Other than ?, use interval notation to express the solution set and graph the solution set on a number line.-4(-2 - x) < 6x + 19 - 11 - 2x
A. (-?, 8)
B. ?
C. (-?, 0)
D. (-?, ?)
Mathematics