Please help . I’ll mark you as brainliest if correct

For their homecoming parade, the students of U-Math have created a colorful banner, 51 meters in length, that is made of two pieces of parachute material. The short piece is 21 meters shorter than the longer piece. Find the length of each piece.

Length of long piece= 36 m

Length of the short piece= m

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?