What is the slope of a line that is perpendicular to the line containing the points 12,-8) and (5,-4)

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

Jason went to an arcade to play video games. he paid $2 for every 11 tokens he bought. he spent a total of $16 on tokens. which equation can be used to determine, t, the number lf tokens jason bought

What is the area of the shaded sector?