Decide whether the given number is a solution of the equation.
+ 3 = -2; -36
A. solution
B. not a solution
Answer: B
Mathematics
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Provide an appropriate response. Give an example of subtraction that is commutative and one that is not.
What will be an ideal response?
Mathematics
Solve the problem.A spotlight has a parabolic cross section that is 6 ft wide at the opening and 2.5 ft deep at the vertex. How far from the vertex is the focus? Round answer to two decimal places.
A. 0.26 ft B. 0.21 ft C. 0.52 ft D. 0.90 ft
Mathematics
Find the mode.The following bar graph shows the salaries of several high school teachers in a certain school district.
A. no mode B. $77,900 C. $63,200 D. $63,200 and $62,500
Mathematics
Use the zero-product property to find all complex solutions of the equation.x4 + 7x2 - 18 = 0
A. 
B. 
C. 
D. 
Mathematics