Christopher bought 15 feet of fabric from Walmart. The fabric cost $1.75 per foot, including sales tax. If Christopher gave the cashier $30, how much
change should he receive?
O $2.40
$6.00
$8.55
O $3.75

What is the length and width of a 84.5 square foot rug? will mark

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

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?