Which of h the e following expressions is equivalent to 25+6x - 10(x+2)

Select one:
21x+30
45-4x
5-4x
45-16x
PLEASE HELP I ONLY HAVE 10 more minutes because its on summit

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

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.

Free points also plz look my profile and answer really stuff