4) The line segments formed are parallel because they never meet.
8) The answer is B. That is because there is a right angle and right angles are formed by perpendicular lines.
Hope this helps :)<span />
Y=ab^x
logab=x
log7(1/343)=-3
y=7(1/343)^-3
Subtract to find the amount of tax paid:
1890 - 1800 = 90
Divide the amount of tax by the price of the computer:
90 / 1800 = 0.05
Multiply the decimal by 100:
0.05 x 100 = 5%
The tax rate is 5%
Divide the number of respondents saying it was useful by the total number
63/85 = 0.74
