The answer is: 
The explanation is shown below:
1- You have the following expression given in the exercise:

2- When you multiply signs, you obtain:

3. Now, you must add like terms, as following:

4. Therefore, you have that the expression simplified is:

Answer:
No
Step-by-step explanation:
The descent after 16 seconds would be 672 feet, with the function -42•X and X=16 so -42•16=-672
<span>False. Perimeter is a linear measure. Square units are for area.</span>
Hello,
x²/25+y²/9=1
a=5, b=3 c²=a²-b²=25-9=16=4²
Foci are (0,4) and (0,-4)
Answer C
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