Find the distance between (-3,1) and (4,-2) is the question im having problems with. we are reviewing algebra from last year and i don't remember any of the equations.

Which graph shows a function with a range of all real numbers greater than or equal to -1

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table