Which statement is true
a. all quadrilaterals are rectangles
b. all quadrilaterals are parallelograms
c. all rectangles are quadrilaterals
d. all quadrilaterals are squares

What is the y-intercept of the line given by the equation

Find the area of an equilateral triangle with a side of 6 inches

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