Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = 1?
A. 0, 2?
B. 
, 
C. 
D. none
Answer: C
Mathematics
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Use the quadratic formula to find the exact solutions.x2 + 6x = 16
A. -2, 8 B. -8, 2 C. 8, 2 D. -8, -2
Mathematics
Solve the number problem by finding the value of the unknown number.The sum of 7 and four times a number is 27.
A. 4 B. 10 C. 8 D. 5
Mathematics
Decide whether or not the ordered pair is a solution of the system.(-5, -3)2x + y = -133x + 2y = -21
A. Yes B. No
Mathematics
Find the exact value of the expression. Do not use a calculator.1 - tan2 80° + csc2 10°
A. 2 B. 1 C. 0 D. -1
Mathematics