Use a coterminal angle to find the exact value of the expression. Do not use a calculator.tan 
A. 
B. 1
C. 
D. 
Answer: A
Mathematics
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Express the number in scientific notation.2500
A. 2.5 × 10-2 B. 2.5 × 10-3 C. 2.5 × 103 D. 2.5 × 102
Mathematics
Provide an appropriate response.Explain in your own words what it means for a system of two equations in two variables to be dependent.
What will be an ideal response?
Mathematics
Solve the system by graphing. If there isn't a unique solution to the system, state the reason. y - 4x = 54y = 16x + 20
A. inconsistent system of equations B. (-1.5, -1) C. (1, 1) D. dependent equations
Mathematics
Find the area of the sector of the circle with radius 2 centimeters and central angle 
.
A. ?
B. 
C. 
D. 
E. 
Mathematics