Which is the correct for of the equation 4x-3y=21 when solved for y

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?