A bag of marbles comes with 8 purple marbles, 12 red marbles, and 6 blue marbles. What is the ratio of RED MARBLES to ALL THE MARBLES? Group of answer choices

12 to 26

12 to 8

12 to 6

12 to 14

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true

Which is the graph of this function 3 square root of x plus one if

What are the solutions of the following system? y=-2x^2 y=x-2