Answer: Total cost is $1.75
Explanation:
Since we have given that
Number of postcards bought by Doug's family= 7
Cost of each postcard including tax = $0.25
Total cost is given by

Now, we want to show this in number line :
On the number line put all the number with a difference of 0.25 and run the number line seven times and we get the answer.
Each step is of length 0.25 and there are 7 jumps to reach required answer.
So, after 7 jumps we reach at 1.75 which is the required answer.
Hence total cost is $1.75
Answer:

Step-by-step explanation:
A sequence is defined by the recursive formula
If
then
for 
for 
for 
for 
Answer:
i don't see what you need help
Step-by-step explanation:
Answer:
a squared+ 5a
Step-by-step explanation:
a(a+5)
multiply everything inside the bracket
a times a is a squared
a times 5 is 5a
i hope i helped
please give me a brainliest!!<3
Marginal anylasis is thinking at the margin or when right before you will make the choice
A.
producing another car
depends on how fast you can product, I don't think it is very fast, so no
B.
this is marginal thinking, you already have the pizza in front of you
c. same as A, not
D. you are already buying one
B and D