Find the outer diameter (the length AB) of the parabolic reflector shown below.
?
?
; 
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Use divisions to convert the base ten numeral to a numeral in the given base. 125 to base three
A. 11122three B. 11121three C. 1112three D. 1122three
Mathematics
Simplify by removing grouping symbols and combining like terms.-3[2(6x - y ) - 2(x + 6y)]
A. -30x - 15y B. -38x - 6y C. -30x - 30y D. -30x + 42y
Mathematics
Evaluate the discriminant, and predict the type and number of solutions.3x2 - 12 = 0
A. 144, two different rational B. 144, two different irrational C. -144, two different imaginary D. 0, one rational
Mathematics
Perform the operation and simplify, or solve the equation for the variable.
- 
= 7
A. 6 B. 14 C. 42 D. 21
Mathematics