Solve the rational equation.3 - 
= 
A. {-4}
B. {8}
C. {0, 4}
D. {4}
Answer: D
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Find the missing number.The height of a parallelogram is 10 cm and the area is 300 cm2. Find the base.
A. 30 cm B. 900 cm C. 28 cm D. 33 cm
Indicate whether the list of terms are like or unlike.-3xy, 6x2y
A. like B. unlike
Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 
A. 
B. 
C. 
D. 
Solve the problem.If an earthquake has an intensity of I, then its magnitude, as computed by the Richter Scale, is given by 
where I0 is the intensity of a small, measurable earthquake. (Consider 
for this question.) If one earthquake has a magnitude 
on the Richter scale and a second earthquake has a magnitude 
on the Richter scale,
how many times more intense (to the nearest whole number) is the second earthquake than the first? A. 681 B. 316,228 C. 316,227,766,017 D. 2