Answer:


<em>See Attachment for Graph</em>
<em></em>
Step-by-step explanation:
Given

Solving (a): Number of lawns in $240

Multiply both sides by 20


Solving (b): Cost of mowing 9 lawns

Multiply both sides by 9


To create a graph, we need to generate a formula;
If




So:
<em>The graph formula is</em>

<em>See Attachment for Graph</em>
Answer:
-3 5/12=k
Step-by-step explanation:
K+5/3= -7/4
subtract 5/3 from both sides
K= -7/4-5/3
lcm of 4 and 3 is 12
so
K= -21/12-20/12
K= -41/12
K= -3 5/12
Answer:
<em>x=-11</em>
Step-by-step explanation:
<em>17+x/6=0</em>
<em>17+x=6</em>
<em>x=-11</em>