Rewrite the equation 4x + 6y = 8 in slope-intercept form.
y = 2/3x + 4/3
y = -2/3x + 4/3
6y = 4x + 8
6y = -4x + 8

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236