Esther, a veterinarian, examined twice as many cats, y, as many dogs, x. She examined a total of 30 cats and dogs. Which system of equations represents this situation?

Question 2 options:

A)

y=2x

x-y=30

B)

y=2x

y=x+30

C)

x=2y

y=2x

D)

2x=y

x+y=30

Match the scale and the actual area to the area of the corresponding scale drawing. scale: 1 inch to 4 feet actual area: 128 square feet scale: 1 inch to 7 feet actual area: 147 square feet scale: 1 inch to 8 feet actual area: 256 square feet scale: 1 inch to 5 feet actual area: 225 square feet area of scale drawing scale and actual area scale drawing area: 3 square inches arrowright scale drawing area: 8 square inches arrowright scale drawing area: 4 square inches arrowright scale drawing area: 9 square inches arrowright