6. A conference presenter earned $48.50 for attending a conference and $15.35 per hour for the hours she spent preparing for her presentation. Let y be the amount of money, in dollars, earned by the presenter when she spent x hours preparing for her presentation. Which of the following equations gives the relationship between x and y ?
F. y = 15.35x
G. y = 33.15x
H. y = 63.85x
J. y = 15.35x + 48.50
K. y = 48.50x + 15.35
7. Ben and Shawnee are painting a room in the library. They started with 7 gallons of paint. On the first day, Ben used \( \frac{3}{4} \) gallon of paint and Shawnee used \( 3\frac{1}{2} \) gallons of paint. How many gallons of paint were left when they completed their first day of painting?
8. . In the standard (x,y) coordinate plane, what is the slope of the line represented by the equation y = 4x + 2 ?
9. . The trinomial x² + 11x + 24 can be factored into 2 binomials with positive integer coefficients. Which of the following binomials is 1 of the factors?
F. x + 1
G. x + 2
H. x + 3
J. x + 4
K. x + 5
10. Point P(5,−1), which is graphed in the standard (x,y) coordinate plane below, will be reflected across the x-axis. What will be the coordinates of the image of P ?
F. (−5,−1)
G. (−5, 1)
H. (−1, 5)
J. ( 5,−1)
K. ( 5, 1)