Write an algebraic equation and use it to solve the problem.During a road trip, Tonya drove one-third the distance that Lana drove. Mark drove 12 miles more than Lana. The total distance they drove on the trip was 530 miles. How many miles did each person drive?
A. Tonya drove 70 miles, Lana drove 210 miles, and Mark drove 222 miles.
B. Tonya drove 222 miles, Lana drove 666 miles, and Mark drove 678 miles.
C. Tonya drove 666 miles, Lana drove 222 miles, and Mark drove 210 miles.
D. Tonya drove 74 miles, Lana drove 222 miles, and Mark drove 234 miles.
Answer: D
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A. 78 B. 48 C. 108 D. -108
Find the least common multiple (LCM) of the list of numbers.18, 16
A. 144 B. 288 C. 2 D. 576
Use the discriminant to find what type of solutions (two rational, two irrational, one rational, or two nonreal complex) each of the following equations has. Do not solve the equation.x2 + 8x + 16 = 0
A. two irrational solutions B. two nonreal complex solutions C. one rational solution D. two rational solutions
In the figure below, 
is parallel with 
.
?
Find x, if 
, 
, 
and 
.
?
?
A. 
B. 
C. 
D. 
E. none of these