R = [ 3 7 -2 -11 ]
for 4R, you just have to multiply each by 4
4R = [ ( 3 x 4 ) ( 7 x 4 ) ( -2 x 4 ) ( -11 x 4 ) ]
4R = [ 12 28 -8 -44 ]
Answer:
The best answer is b
Step-by-step explanation:
Answer:
39
Step-by-step explanation:
30 x 1.30 = 39
1 us Dollar equals 1.30 us dollars
The answer is B. x = 65, y = 10.