Answer:
Each answer correct is 5 points so Doug got 40 points.
Step-by-step explanation:
Answer:
1. 15
2. 27
3. 4
4. 72
5. 2
6. 9
7. 1
Step-by-step explanation:
Answer:
x/4 (-3) = 5
Step-by-step explanation:
Simply translate into numbers. :D
Answer:
(x, y) = (8, 2)
Step-by-step explanation:
substitute x = 4y into the other equation
2(4y) + 4y = 24
8y + 4y = 24
12y = 24 ( divide both sides by 12 )
y = 2
substitute y = 2 into x = 4y
x = 4 × 2 = 8
solution is (8, 2 )
Answer:
1. 2(5x-1)
2. 1
Step-by-step explanation: