Simplify the given expression. Express answer with positive exponents.

A.
B.
C.
D.


Answer: A

Mathematics

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Graph the function.If K square units is the area of a right triangle, 7.8 units is the length of the hypotenuse, and x is the radian measure of an acute angle, then . Sketch the portion of the graph which is appropriate to the application.

A.

B.

C.

D.

Mathematics

Provide an appropriate response.Solve the system of equations using the addition method: 2y = 3x + 19 2x - y = -9

Fill in the blank(s) with the appropriate word(s).

Mathematics

Identify the polygon.

A. heptagon B. pentagon C. quadrilateral D. hexagon

Mathematics

Multiply. Assume that all variables represent positive values.7(m - 3)

A. 7m - 21
B. 7m - 21m
C. 21m - 21m
D. 21m - 21

Mathematics