Can anyone help me with these two equations . Tell where the equation is linear or nonlinear. Please do not answer if you do not know .

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.