Please help me I will give out the brain thing and extra points please help me please.
4. The figure shown was created by placing the vertices of a triangle within the circle. What is the area of the shaded region? Use 3.14 to approximate π, remember to answer using cm2. Show your work and don’t forget to add the units to your answer.

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.

What is the solution to the division problem below x3+x2-11x+4/x+4

Identify the expression equivalent to 4(x + x + 7) − 2x + 8 − 4 by substituting x = 1 and x = 2.