Select all the expressions that can be used to find the area of the polygon.
18 ft
9 ft
6 ft
20 ft
answer choices:
(920) - 6
(9 x 18) – (6 x 2)
(9 x 18) + (6 x 2)
(20 x 6) + (18 x 3)
(209) - (3 x 2)

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

What are the soultion(s) to the quadratic equation 40- x^2=0

1. the wheeling bridge in west virginia is about 307 meters long. if you walk with a stride of about meter, about how many steps would it take you to cross this suspension bridge?