What are the roots of the polynomial equation x Superscript 4 Baseline + x squared = 4 x cubed minus 12 x + 12? Use a graphing calculator and a system of equations. Round noninteger roots to the nearest hundredth.–12, 20–2.73, 2, 2.73–1.73, 1.73, 2–20, 12

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Find the solution to this system 2,1 1,-2 1,2 -1,2