Brittany needs a total of 12 3/4 yards of yarn for a art project she needs 1 3/8 yards of blue yarn and 5 1/2 yards of green yarn the rest of the yarn she needs his red how much red yarn does britney need?

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?