18. A ladder 17 feet long is leaning against a wall . If the ladder, vertical
wall and the floor from the bottom of the wall to the ladder form a right
triangle, find the height of the wall where the top of the ladder meets, if
the distance between the bottom of the wall to bottom of the ladder is 7
feet less than the height of the wall.

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

Need now 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.

Put the equation in slope intercept form by solving for y