Change the mixed number to an improper fraction.4

A.
B.
C.
D.


Answer: B

Mathematics

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Simplify the expression.(33)2

A. 81 B. 243 C. 729 D. 18

Mathematics

Solve the problem.If a and b are the lengths of the legs of a right triangle and c is the length of the hypotenuse,  How is dc/dt related to da/dt and db/dt?

A.  = a + b
B.  = 2a + 2b
C.  = a2 + b2
D.  = 

Mathematics

Solve the rational equation.7x +  = 

A.
B.
C.
D.

Mathematics

Solve the problem.The perimeter of a rectangle is 36 cm. One side is 10 cm longer than the other side. Find the lengths of the sides.

A. 8, 18 B. 4, 10 C. 4, 14 D. 9, 19

Mathematics