Use the given information to find the exact value of the expression.sin ? = - 
, ? lies in quadrant IV, and cos ? = - 
, ? lies in quadrant III
Find sin (? - ?).
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Translate the English expression into an algebraic expression. Use x to represent the unknown number.The difference of 136 and a number
A. 136 ÷ x B. 136x C. x - 136 D. 136 - x
Mathematics
Solve the problem.The sum of the squares of the digits of a positive two-digit number is 20, and the tens digit is 2 more than the units digit. Find the number.
A. 42 B. 35 C. 53 D. 24
Mathematics
Graph the system of inequalities.x2 + y2 ? 645x + 4y ? 20
A. 
B. 
C. 
D. 
Mathematics
Solve triangle ABC. Round side lengths and angle measures to the nearest tenth when necessary.a = 20, b = 33, c = 44
A. A ? 25.3°, B ? 22.5°, C ? 132.2° B. A ? 44.9°, B ? 25.3°, C ? 109.8° C. No triangle exists. D. A ? 25.3°, B ? 44.9°, C ? 109.8°
Mathematics