Which set of vertices forms a parallelogram?

a(2,4), b(3, 3), c(6, 4), d(5, 6)

a(-1, 1), b(2, 2), c(5, 1), d(4, 1)

a(-5, -2), b(-3, 3), c(3, 5), d(1, 0)

a(-1, 2), b(1, 3), c(5, 3), d(1, 1)

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much