NEED HELP WITH 3 QUESTIONS PLEASE

1. Find the equation of the graphed line.?

2. Determine the x- and y-intercepts for the graph defined by the given equation.
x = -9

3. Determine the x- and y-intercepts for the graph defined by the given equation.
y = x + 8

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

Is a positive integer raised to a negative power always positive

Solve the problem. a student earned grades of c, a, b, and a in four different courses. those courses had these corresponding numbers of credit hours: 4, 5, 1, and 5. the grading system assigns quality points to letter grades as follows: a = 4, b = 3, c = 2, d = 1, and f = 0. compute the grade point average (gpa) and round the result to two decimal places. 3.40 3.50 8.75 2.18