Carlos needs to buy 6 pens and some colored pencils for school. He has $25.00 to spend. If =
the pens cost $3.50 each, how much does he have left
to spend on colored pencils?

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)

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