The slope of the line below is - 8/7 Write a point-slope equation of the line using the coordinates of the labeled point.
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O A. y+ 4 = 8/7(x+4)
O B. y+4 =-8/7(x+4)
O C. y-4=-8/7(x-4)

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of

Jan accidently ran 7 minutes longer than he was supposed to. write an expression for the total amount of time jan ran if she was supposed to run m minutes

In a tutoring session, 2/3 of an hour was spent reviewing math problems. adelina attended 3/4 of the tutoring session. how much time did adelina spend at the tutoring session?