Abookstore sells textbooks for $40 each and notebooks for $2 each. the bookstore would like to sell
$440 in merchandise by the end of the week.
graph the linear equation 40t + 2n = 440, where t is the number of textbooks sold, and n is the number
of notebooks sold.

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

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

An object in geometry with no width, length or height is a(n):