Answer: NA and Rb and there are 20 protons in calcium!
Step-by-step explanation:
3z = 2z + 5
3(5) = 2(5) + 5
15 = 15
answer
True
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8-4x = 4x when x = 0
8 = 0 ....can't be
Answer
False
Answer:
Step-by-step explanation:
We need to find the LCM of 12 and 9.
<u>Their LCM is:</u>
- LCM(12, 9) = 2*2*3*3 = 36
Number of light fixtures and light bulbs is 36.
<u>Number of packages will be:</u>
- 36/12 = 3 and
- 36/9 = 4 respectively.
1. (3,-2)
2. (-2,2)
3. (1/3,2/3)
4. (13/7, 40/7)