3. Of the new calculators received by I. S. 34, 8 were broken and 42 worked 1 point perfectly. What ratio compares the number of broken calculators to the
total number of calculators received by I. S. 34? *

And explain how you got it so i can understand future problems : 3

2/3(-6y+9x) expand each expression using the distributive property

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