Translate the problem to a system of equations, then solve using matrices.John has a jarful of quarters and nickels. There are 104 coins in the jar. The value of the coins is $14.60. How many of each type of coin?
A. 52 quarters and 52 nickels
B. 57 quarters and 47 nickels
C. 99 quarters and 5 nickels
D. 47 quarters and 57 nickels
Answer: D
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Express the symbolic statement ~p in words.p: Lake Champlain is one of the Great Lakes.
A. It is true that Lake Champlain is one of the Great Lakes. B. Lake Champlain is not one of the Great Lakes. C. It is not true that Lake Champlain is not one of the Great Lakes D. Lake Champlain is truly one of the Great Lakes.
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 
B. 
C. z - 2
D. 
Draw a unit circle centered at the origin and sketch ?A = 240°. Label as P where the side of A, not on the x-axis, intersects the unit circle. Find and label the coordinates of P on the unit circle.
What will be an ideal response?
Solve the equation using the square root property.(x - 4)2 = 9
A. {1, -7} B. {7, 1} C. {13} D. {3, -3}