Kaylia and Alan are working on this math problem: "How many numbers between 1,000 and 10,000 END with the digit 3?"
1. Kaylia says that she can figure out the answer without counting or writing down
all the numbers. How do you think she can do this?

Ineed me i stuck and i don’t want to get it wrong

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

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.