Simplify the expression. Assume that all variables are positive when they appear.
A. 5xy
B. 8xy
C. 8xy
D. 8xy
Answer: D
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Solve.The amount of simple interest earned on an investment over a fixed amount of time is jointly proportional to the principle invested and the interest rate. A principle investment of $2400.00 with an interest rate of 5% earned $360.00 in simple interest. Find the amount of simple interest earned if the principle is $4000.00 and the interest rate is 3%.
A. $216.00 B. $600.00 C. $360.00 D. $36,000.00
A rectangle is 4 feet longer than it is wide. If its area is 60 square feet, find its dimensions. ?
A. 6 ft by 10 ft B. 6 ft by 14 ft C. 10 ft by 15 ft D. ?4 ft by 9 ft E. 12 ft by 16 ft
Match the correct graph to the given function.y = x2 - 6
A. 
B. 
C. 
D. 
Provide an appropriate response.Explain why the difference of two polynomials in x, both of degree 6, can be of degree 5.
What will be an ideal response?