3 Which circle's circumference is closest to 25 in.? Use 3.14 for TT.

PLEASE HELPP!!

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

(05.02) mr. morris is going to save money and replace his sailboat's mainsail himself. he must determine the area of the mainsail in order to buy the correct amount of material. calculate the area of the parallelogram to determine how much material should be purchased. be sure to explain how to decompose this shape into rectangles and triangles. describe their dimensions and show your work.

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !