James traveled 1,854 miles in 9 hours. what is the unit rate?

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

Plz hurry evaluate the expression a+b where a=8 and b=19