Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(2x
)(3x
)
A. 36x3
B. 42x
C. 36x2
D. 42x2
Answer: A
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Solve the problem.If an elevator starts on floor number 4 above ground and goes up to floor number 17, how far up has it gone?
A. None of these B. It has gone up 21 levels. C. It has gone down 13 levels. D. It has gone up 13 levels.
Answer the question.The table below gives the actual values of the population of a small island in the Pacific Ocean. The population is modeled by the equation 
where 
represents the population of the island in 1990.
For the point displayed in the calculator screen above, how does the model compare to the actual?
A. The display indicates that for the year 1993, the model gives a value of about 87 people, which is slightly less than the actual value of 88 people. B. The display indicates that for the year 1990, the model gives a value of 75.2 people, which is slightly more than the actual value of 75 people. C. The display indicates that for the year 1995, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people. D. The display indicates that for the year 1993, the model gives a value of about 88 people, which is slightly more than the actual value of 87 people.
Solve the problem.A square has an area of 49 square inches. If the same amount is added to the length and removed from the width, the resulting rectangle has an area of 45 square inches. Find the dimensions of the rectangle.
A. 3 in by 4 in B. 5 in by 10 in C. 4 in by 9 in D. 5 in by 9 in
State whether the matrix is in reduced form or not in reduced form.
A. Reduced Form B. Not Reduced Form