Asecretary at the police department makes $8 less per hour than the dispatcher. the combined hourly wage of the secretary and the dispatcher is $40. which equation could be used to find the hourly wage of the dispatcher?

a. 2x + 8 = 40
b. 2x − 8 = 40
c. 8 − 2x = 40
d. (8 − 2)x = 40

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

You had $235 in your savings account nine weeks ago. you withdrew the same amount each week for 8 straight weeks. your balence was then $75. solve the equation 235 - 8m=75 to find how much money m you withdrew from your account each week. 2 points