Find the root. Assume that variables represent nonnegative values.
A. 0.4r4s14
B. 4r4s14
C. 0.4r2s7
D. 4r2s7
Answer: C
Mathematics
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Solve the problem.By switching service providers, a family's telephone bill decreased from about $50 a month to about $45. What was the percent of decrease?
A. 5% decrease B. 11.1% decrease C. 10% decrease D. 11% decrease
Mathematics
Graph the linear equation.y = 
x + 
A. 
B. 
C. 
D. 
Mathematics
Show that the set is infinite by placing it into a one-to-one correspondence with a proper subset of itself.
?
What will be an ideal response?
Mathematics
Find the square of the radical expression.
A. 4x + 81 B. 2x + 9 C. 4x + 9 D. 4x2 + 81
Mathematics