Utilizando a calculadora determine o valor aproximado de raiz quadrada de

A)√20
B) √88
C) √134
D) √10
E) √2
F) √3

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.