Answer:
a
Step-by-step explanation:
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We have that
<span>y=3x</span>²<span>+18x-21
using a graph tool
see the attached figure
the solutions are
x=-7x=1</span>
2/9 divided by 1/2. invert the second fraction and multiply
2/9 * 2/1 = 4/9
Answer:

Step-by-step explanation:
I have attached the explanation above. hopefully this will help
60 because .7 times 60 equals 42 therefore the answer is 60