Provide an appropriate response.Explain why 
and -
represent the same number.
What will be an ideal response?
Explanations will vary. One possibility: 
= 
? 
= -1 ? 
= -
Mathematics
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Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.-2x - 5y - 3z = -6 and 2x + 2y - 9z = 3
A. 1.202 rad B. 1.345 rad C. 0.225 rad D. 1.398 rad
Mathematics
The circle graph shows the results of the student council presidential election and the percent of the vote each person received.
Who got the fewest votes?
A. Ann B. Matt C. Jim D. Ted
Mathematics
Draw the graph of the equation.x = y2 + 4y - 3 
A. 
B. 
C. 
D. 
Mathematics
Use the substitution method to solve the system.-3x + y = 46x - 5y = -17
A. 
B. 
C. 
D. 
Mathematics