Consider the 3-digit numbers which are written by using the digits 1, 2, 3, 4, 5. Find the number of those numbers which have two equal digits and one different digit.

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Which of the following could be the ratio of the length of the longer leg 30-60-90 triangle to the length of its hypotenuse? check all that apply. a. 313 6 b. 3: 215 c. 18: 13 d. 1: 13 e. 13: 2 of. 3: 15

Are the corresponding angles congruent? explain why or why not.