Donnell practiced 7 hours while Marcus practiced 4 hours.
Answer:
(
4
a
+
4
b
+
3
)
(
2
a
+
2
b
−
3
)
Step-by-step explanation:
8x+4x-4
12x-4 is the answer
Answer:
Step-by-step explanation:
-5x-4y=-4 ...(1)
25x+ 20y = 20 ....(2)
multiply (1) by -5 you have : 25x+ 20y = 20 ....(2) same equation , same line
so : The system has infinitely solutions.
.08 x .04 is the right answer
