Which expression is equivalent to 3x(bx+10−(x2−5x+c) A
(3b−1)x2−5x+10+c

B
−x2+(3b+35)x−c

C
−3bx2+25x+c

D
(3b−1)x2+35x−c

Needmax 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.

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

The high temp today was 62°. when nighttime comes, the temp will drop 40°. by 4am the temp will drop an additional 40°. what is the temp at 4am?