Which expression can be used to find the sum of the polynomials? 0
(9 – 3x2) + (-8x2 + 4x + 5)
[(-3x2)+(-8x?)] +4x+[9+(-5)]
[3x2 +8x?]+4X+[8+(-5)
[3x2+(-8x?)] +4x+[8+51
o [(-342)+(-8xP)] +4x+[9+5
(PLEASE HELP)

Steve is scuba diving near his home in maui. at one point he is 100 feet below the surface. represent this number with a negative number. if he descends another 5 feet, what negative number will represents his.

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

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.