Answer:
(3,13)
Step-by-step explanation:

Note that by vertex form we have:

Where the vertex has the coordinates (h,k) so we change the sign of h and keep the same k value and so:
h=3 and k=13
Therefore the vertex of this parabola is: (3,13)
Answer:
37.5 percent
Step-by-step explanation:
First, work out the difference (decrease) between the two numbers you are comparing(which is 15 in this case) . Next, divide the decrease by the original number and multiply the answer by 100.(15/40=0.375 times 100=37.5) If the answer is a negative number, this is a percentage increase
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TSA 294000 IS THE TOTAL AREA OF A CUBOID 0.7
Answer:
-12k+3
Step-by-step explanation:
(-11k+1)+(-1k+2)