15 points please help

Which describes how the transformation affects the coordinates of the vertices of trapezoid LMNO?

Group of answer choices
a. (x, y) → (x, −y)

b. (x, y) → (−x, −y)

c .(x, y) → (−x, y)

d. (x, y) → (x − 5, y − 2)

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2

How do you solve a question like this?

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?