A math quiz has 25 questions. Some questions are worth 1/4 of a point and others are worth 1/2 of a point. They are a total of 9 points on the quiz. Solve for the system of the equation(please).

How do you find principle and simple interest

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

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