Match each of the following equations according to their slope and y-intercept.
y=-3x + 4
m=0,b=7
1= 3x
m = 3, b=0
y=-15x - 4
m = 1.5, b = -7
y = 15x - 7
m=-3, b=4
y=7
m= -1.5, b= -4

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

The price of a lawn mower is x dollars. the store is having a 75% end of summer clearance sale. which expression can be used to find the clearance price of the mower? a) .25x b) .75x c) x - .25(75) d) x + .25(75)