Solve the problem.Cathy scored 4 times as much as Helen on the test.Determine which of the statement's below is true.
A. Cathy's score was 400% of Helen's score.
B. Helen's score was 300% less than Cathy's score.
C. Cathy's score was 300% of Helen's score.
D. Cathy's score was 400% more than Helen's score.
Answer: A
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A right triangle with acute angle ? is given. Evaluate the indicated trigonometric function of the acute angle ?.Find tan ?.
A. 
B. 
C. 
D. 
Solve the equation.
x + 
= 
- 
x + 
A. 
B. 
C. 
D. 
Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 7x - 9y = 40 35x - 45y = 200
A. No inverse, 
B. (-7, -1)
C. No inverse, no solution for system
D. (7, 1)
Complete the ordered pairs for the given linear equation. Then plot the points and graph the equation by connecting the points.y = 2x - 6(0,
), (1,
), (-1,
)
A. (0, -6), (1, -4), (-1, -8)
B. (0, -6), (1, -8), (-1, -4)
C. (0, 0), (1, -6), (-1, 6)
D. (0, 6), (1, 8), (-1, 4)