PLEASE HELP SO I CAN GO TO SLEEP OH MY GOD Which of the following properties is not true for a rectangle?

1)both pairs of opposite sides are perpendicular

2)diagonals are congruent

3)diagonals are perpendicular

4)both pairs of opposite sides are parallel

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

Write the expression as a single natural logarithm. 2 in a - 4 in y