<u>Part</u><u> </u><u>1</u>
Subtracting 5 from both sides yields

<u>Part</u><u> </u><u>2</u>
When the output, f(x) is 2, we can substitute that in to obtain

Answer: $18
Step-by-step explanation:
60% of original cost means 40% is taken off
40% = 0.4
30 x 0.4 = 12 so that is how much will be taken off
30-12= 18
$18
Since there are 2 rows with 8 in each row, your equation is: C=2(8), where C stands for the number of chairs. 8x2, or 8+8, equals 16. There are 16 chairs set up.
<span>Divide the US into groups, by state. For cluster sampling, randomly choose twenty states and use the population of those states as the sample. For stratified sampling, randomly choose 10,000 people from every state as the sample.</span>