A merchant purchased two lots of shoes. One lot he purchased for $32 per pair and the second lot he
purchased for $40 per pair.
There were 50 pairs in the first lot.
How many pairs were in the second lot if he sold them all at $60 per
pair and made a gain of $2800 on the entire transaction?

1.5%

step-by-step explanation:

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

6, 10

9, -13

12, -21

18, -23

step-by-step explanation:

you just add 6 to the x-coordinate and subtract 10 from the y-coordinate.