Landry bought 11 binders and notepads from the market and spent $45. binders cost $6 each and notepads cost $2.50 each. which two equations can be used to find the number of binders, b, and notepads, n, she purchased?
(a) b + n = 11 (b) 6b + 2.5n = 11 (c) b + n = 45 (d) 6b + 2.5n = 45

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.