Simplify the algebraic expression.7x + 2x

A. 5x
B. 14x
C. 9x
D. 9 + x


Answer: C

Mathematics

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Solve the problem.Tom has a balance of $4261.15 on a credit card with an annual percentage rate (APR) of 13.7%. His credit card requires a minimum monthly payment of 2% of the balance. If he transfers his balance to a credit card with an APR of 9.2% how much more of his first payment would be applied to reduce the principal than if he had not transferred his balance?

A. $19.88 more will be applied to principal B. $32.67 more will be applied to principal C. $15.98 more will be applied to principal D. $52.55 more will be applied to principal

Mathematics

Find an equation of the sphere with center (7,-5,7) that touches the xy-plane.

Mathematics

Evaluate the function.Find f(4)  f

A. 7 B. 12 C. None of these D. (12, 7)

Mathematics

Find the slope of the line containing the given points.(7, 8) and (1, 1)

A.  
B.  
C.  
D. - 

Mathematics