Evaluate the algebraic expression for the given value or values of the variable(s).-4x - 6;
x = -3
A. 18
B. 6
C. -18
D. -6
Answer: B
Mathematics
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Determine whether the given points are on the graph of the equation.y = 6
; (-4, 24)
A. Yes B. No
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 122.38 B. 744.39 C. 64.79 D. 15.06
Mathematics
A parabolic mirror reflects light in a beam when the light source is placed at its focus. How far from the vertex of the parabolic reflector should the light source be placed?
?
?
?
Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Perform the indicated operation and, if possible, simplify.
? 
A. 
B. 
C. - 
D. - 
Mathematics