over last 6 months, been spent a total of 105, and diondra spent a total of 170$. Ben and diondra each recieved x haircut's and y shampoo from the hair stylist

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)