Add, subtract, multiply, or divide. round answers to money problems to the nearest cent. show how you solved these four problems below:

1) $7.94 2)$ 5.37
- 4.56 + 1.92


3) $ 1.25 4) 0.8 divided by
x 0.04 9.6

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 20 = x a. 5, 4 b. -5, -4 c. -5, 4 d. 5, -4

Cor d? ? me ? max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form