Perform the indicated operations.Estimate by rounding to the nearest hundred, then find the actual sum.434564562365
A. Estimate: 2,900
Actual: 2,827
B. Estimate: 2,830
Actual: 2,290
C. Estimate: 2,800
Actual: 1,925
D. Estimate: 2,827
Actual: 2,393
Answer: A
Mathematics
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Simplify.
A. 1 - x2
B. 
C. 1
D. 
Mathematics
Write the function in the form 
or 
. Find the period and phase shift.y = - 
sin
A. y = - 
sin
period = 
; phase shift = 
B. y = - 
sin
period = 5; phase shift = 
C. y = - 
sin
period = - 
; phase shift = - 
D. y = - 
sin
period = 
; phase shift = 
Mathematics
Perform the indicated operation. Simplify the result, if possible.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Decide whether the ordered pair is a solution of the given system.(-1, 4)2x + y = 24x + 2y = 4
A. Yes B. No
Mathematics