Answer:
5.43×10^14 or

Step-by-step explanation:
Scientific notation, the number must always be less than 10, in this case 5.43. The exponent represents how much times I moved the decimal point to the left.
Nope, those lines are not parallel.
If the y-intercepts are the same, the two equations represent the same line and there are INFINITELY MANY SOLUTIONS
The first one is number 2 the second one is 185.(could you also say what is in the drop down menu for the third one. The last one is Part A is 376 and part B is 1,3,4.Hoped it helped a bit :)
Are you doing FLVS? IF so I need hep