Answer:
42 seconds
Step-by-step explanation:
Answer:80
Step-by-step explanation:
In the process of photosynthesis, one of the most important ingredient would be sunlight. Therefore, those aquatic plants that are near the surface would be able to produce the most sugar. This is because they can easily absorb sunlight compared to those that are located deeper in the water. Hope this helps.
Answer:
The answer is "The correct step are 1, 2 and 4
".
Step-by-step explanation:
In the question some data is missing so, its correct question can be defined as follows:
In the given equation:

Lorena's steps should be evaluated
In Stage 1: It is right because it allocates – 3 to parentheses appropriately, , that's why she has 5k-6k+2-9=0
In Stage 2: It is right because in this term 5k and 2k are merged, that's why she got -k-7=0
In Stage 3: It is not right because the propagation property of fair treatment was not used.
In Stage 4: It is right because it multiplies the variable on one of the two sides by -1. So, k=-7 to get.