Answer:
c = 4(d) + .43(m)
Step-by-step explanation:
We can test this by plugging in numbers for each of the variables. Let's say Jamal drove 5 miles over 2 days.
c = 4(2) + .43(5)
c = 8 + 2.15
c = $10.15
Have a nice day!
Answer:
9/2
Step-by-step explanation:
the number of the equation is 9/2 so the answer must be 9/2
Answer:

Step-by-step explanation:
For the first one, in any triangle, we have the sum of two sides is greater than the third side. Hence, we have 3 inequalities:
, which give us
. We conclude that
.
For the second question, we have
, and similarly we can show that
. Hence,
.
The third question is not very clear.