The slope formula can be used to prove a triangle has

congruent sides

a right angle

parallel sides

congruent angles

a complex number is a number that can be expressed in the form a + bi, where a and b are real numbers, and i is a solution of the equation x2 = −1. because no real number satisfies this equation, i is called an imaginary number. has no real solution, since the square of a real number cannot be negative.

40 minutes

step-by-step explanation:

add the time and multiply by 2