2. select the equation in which the graph of the line has a negative slope, and the y-intercept equals 10.
a. 20x + 5y = 50
b. 10x + 5y = -25
c. 2x + 6y = 10
d. 5x - 10y = -12

3. select the equation that contains the point (-6, 1) and in which the slope equals 1/4
a. y + 1 = 1/4(x − 6)
b. y − 1 = 1/4x + 6
c. y − 1 = 1/4(x + 6)
d. y + 1 = 1/4x − 6

4. select the equation which contains the point (5, -1/2) and has a slope of 4
a. y − 1/2= 4(x +5)
b. y − 1/2=4(x − 5)
c. y + 1/2= 4(x + 5)
d. y + 1/2= 4(x − 5)

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Quick! a survey of 57 customers was taken at a bookstore regarding the types of books purchased. the survey found that 33 customers purchased mysteries, 25 purchased science fiction, 18 purchased romance novels, 12 purchased mysteries and science fiction, 9 purchased mysteries and romance novels, 6 purchased science fiction and romance novels, and 2 purchased all three types of books. a) how many of the customers surveyed purchased only mysteries? b) how many purchased mysteries and science fiction, but not romance novels? c) how many purchased mysteries or science fiction? d) how many purchased mysteries or science fiction, but not romance novels? e) how many purchased exactly two types of books?

M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)