4 4 -2 7.
2
4
If A = -7 -3
2
and B = 5
-9
5
3
find -2A + 7B.
N
2
10
-9
5-10-5

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation,and the determine the cost if he drove it70 miles.b) what would be the cost of a car rental if the car was driven 250 miles? show work