1. What is the equation in point-slope form of the line that crosses the x-axis at 10 and is perpendicular to the line represented by y = 12x − 7? A. y = 2(x −10)
A. , y = 2(x −10),

B. y − 10 = −2(x − 0)
B. , y − 10 = −2(x − 0),

C. y = −2(x − 10)
C. , y = −2(x − 10),

D. y = −2(x + 10)

Your friend swims on the school team. in his first four races, his times are 24.7, 23.5, 25.6, and 27.2 seconds. which time listed for his next race would make the range larger?

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.