A number increased by 4 is the same as 19 minus 2 times the number. (10 points) plss help tk

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.