$14.20 is the cost of each book
Answer:
profit of 240
Step-by-step explanation:
credit to the person above me
Answer:
The square root of six hundred and eighty-three √683 = 26.13426869074
Luis = 6/7
Marrisa = 5/9
Federico = 11/10 = 1 1/10
Greatest fraction = 1 1/10
Answer: Frederico raised the most.
X²+20=0
x=±√(-80)/2
x=±4i√5/2=2i√5
factorised it is then
(x+2i√5)*(x-2i√5)