Another submarine's descent can be represented as y = -250x, where y is 10 points the elevation and x is time in hours. How long will it take this submarine to
make the descent?*

Question 13 of 451 pointwhich statement correctly describes the inverse of the following function? a. it is negative. b. it is a horizontal shift. c. it is not a function. d. it is a function. give an explanation as to why you chose that answer. (i think its either a or d.)

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer