Solve the equation.
= 0
A. 9, -9
B. -9
C. 81, -81
D. 9
Answer: A
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.u × (v + w) = u × v + u × w
What will be an ideal response?
Mathematics
Solve.What percent of 55 is 44?
A. 75% B. 125% C. 120% D. 80%
Mathematics
Evaluate the following improper integral whenever it is convergent.
?
?
A. 
B. ?
C. ?
D. ?
E. the integral is divergent
Mathematics
Use the properties of summation notation to find the sum.
A. - 175 B. 145 C. - 145 D. - 163
Mathematics