Answer:
<h2>
not a function</h2>
Step-by-step explanation:
vertical line test: if it intersects at more than one point, it is not a function. If it intersects once, it is a function
Answer:
7.) a. 84 hundredths
8.) 6(.36)= 2.16 meters
9.) 9.40÷4= 2.34 meters
I cant see 10 clearly
11.) No because if you multiply 2×4 you get 8 so .814 wouldn't be reasonable
Answer:
<h2>The required percentage is 65.45%.</h2>
Step-by-step explanation:
The total costing is 
35% were given to the charity, hence 350 were given to the charity.
There are (1000 - 350) = 650 lapel pins remaining.
60% of 650 =
werre sold for 3.00 each. Hence, earning from here is
.
40% of 650 = 260 were sold at 5.00 for 2. It can also be said that
were sold at 5.00 each. Earning from this section is 
Total earning is (1170 + 650) = 1820.
Profit percentage = 