Solve the problem. Write the probability in simplest form.A bag contains 5 red marbles, 3 blue marbles, and 4 green marbles. What is the probability of choosing a blue marble?

A.
B.
C.
D.

Answer: D

Mathematics

Find the inverse of the matrix (if it exists).A =

A. A-1 =

B. A-1 =

C. No solution

D. A-1 =

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Mathematics

Find the area of the shaded region. Round results to the nearest unit.

A. 223.5 m2 B. 216 m2 C. 192 m2 D. Not enough information given

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Mathematics

Multiply the pair of monomials.

A. a²⁷
B. a¹²
C. - a²⁷
D. - a¹²

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Mathematics

Write each mixed number as an improper fraction.5

A.
B.
C. 2
D. 6

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Mathematics