Describe whether the following sampling method is biased (not random)or unbiased (random) JUSTIFY YOUR ANSWER to determine whether students at Bernal want to attend an art festival at the school, Manuel surveys all the students in the library at lunch.

I’ll mark BRAINLIST if correct. NO LINKS!!

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.

£100.80 divided by 14 equals 7.2 how would we put this as money

(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.