Ihave to choose the statement that is not always true: for a . a. each diagonal bisects a pair of opposite angles . b. all four sides are congruent. c. the diagonals are congruent. d. the diagonals are perpendicular. i think its b.

Solve the word problem. the table shows the low outside temperatures for monday, tuesday, and wednesday. by how many degrees did the low temperature increase from monday to tuesday? this function table shows the outside temperature for a given a. 21.1⁰ b. 8.6⁰ c. 4.9⁰ d. 3.9⁰(the picture is the graph the the question is talking about.)

Nine more than four times a number is the same as one less than twice the number. find the number?

Can someone me with my math problem pls my teacher is on my back about this