Which of the following is not a way to represent the solution of the inequality 8x − (5x + 4) greather than or equal to −31? A. x greater than or equal to −9
B. −9 less than or equal to x
C. A number line with a closed circle on −9 and shading to the left
D. A number line with a closed circle on −9 and shading to the right

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?