Which of the following equations represents a line that is perpendicular to
y = -4x+9 and passes through the point, (4, 5)?
a. y- x+5 b. y- *x+6
c. y = x+4 d. y --4x+4

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

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