If a and b are any two real numbers, than how do you calculate the difference between a-b

Pleasseee important quick note: enter your answer and show all the steps that you use to solve this problem in the space provided. use the circle graph shown below to answer the question. a pie chart labeled favorite sports to watch is divided into three portions. football represents 42 percent, baseball represents 33 percent, and soccer represents 25 percent. if 210 people said football was their favorite sport to watch, how many people were surveyed?

What is the slope-intercept form of a line that passes through points (2, 11) and (4, 17)? y=-3x-5 o y=3x-5 y=-3x+5 0y=3x+5

K-7/4=11 explanation: k-7 is the numerator and 4 is the denominator then right by it it just says = 11 ( i wish i knew how to do this but ummm i cant sis)