100 points answer hurry what is the slope of this graph? a. -1/4 b. -4 c. 4 d. 1/4

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?

Me asap! what is the slope of this line? enter your answer in the box.