Convert the given polar coordinates of the point to rectangular coordinates.(10, 225°)
A. (-5
, -5
)
B. (5
, 5)
C. (-5
, -5)
D. (5, 5
)
Answer: A
Mathematics
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Mathematics
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.sin ? = 
, tan ? > 0Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find the area A and circumference C of a circle of diameter 20 yd. Use 3.14 for ?. Round the result to the nearest tenth.
A. A = 62.8 yd2; C = 62.8 yd B. A = 125.6 yd2; C = 31.4 yd C. A = 1256 yd2; C = 31.4 yd D. A = 314 yd2; C = 62.8 yd
Mathematics
Add or subtract as indicated.- 
+ 
A. - 
B. 
C. 0
D. 
Mathematics