Find the center and radius of the circle.x2 + y2 = 5
A. Center: (0, 0), radius: 
B. Center: (0, 0), radius: 5
C. Center: (1, 1), radius: 5
D. Center: (1, 1), radius: 
Answer: A
Mathematics
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Estimate and find the actual difference expressed as a mixed number in simplest form.6
- 4
A. Estimate: 1; Actual: 1
B. Estimate: 2; Actual: 1
C. Estimate: 1; Actual: 1
D. Estimate: 2; Actual: 1
Mathematics
Evaluate the expression without a calculator.-4-3
A. 
B. -64
C. 64
D. - 
Mathematics
Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Sin t and cos t are given. Use identities to find the indicated value. Where necessary, rationalize denominators.sin t = - 
, cos t = - 
. Find cot t.
A. 
B. - 
C. 
D. 
Mathematics