Solve for the indicated variable.Solve x = 
for r.
A. r = 
B. r = x + y
C. r = 
D. r = 
Answer: C
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Simplify by factoring. Assume no radicands were formed by raising negative numbers to even powers.
A. x
B. xyz
C. xy
D. xy
Translate the statement into symbols. ? If by the mere force of numbers a majority should deprive a minority of any clearly written constitutional right, it might, in a moral point of view, justify revolution. (Abraham Lincoln) Let ? h: Heartily laugh w: Wholly laugh b: A bad person n: Being nice to people m: You'll meet 'em on your way down f : The mere force of numbers a majority should deprive a minority of any clearly written constitutional right r: Revolution ?
A. 
B. ?
C. ?
D. ?
E. ?
Find the distance d(P1, P2) between the points P1and P2.P1 = (-5
, -3
); P2 = (-8
, 6
)
A. 3
B. 3
+ 9
C. 3
D. 306
Solve the system of equations by substitution.
x + 
y = 32
x - 
y = 40
A. (-100, -27) B. (-100, 27) C. (100, 27) D. (100, -27)