My yard is 20 ft long and 30 feet wide how many yards of fencing do i need to buy

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

Find the missing dimension! need asap! tiny square is a =3025 in ²

Using the figure below, select the two pairs of alternate interior angles. a: point 1 and point 4 b : point 2 and point 3 c: point 6 and point 6d: point 5 and point 7