If i drive for 3 hours at 65 miles per hour how many miles will i travel

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Is the figure congruent? yes or no?

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.