Answer:
3.5
Step-by-step explanation:
Well its easiest to just plug in the answers and see like 2 times 3.5 is 7.
Another way is saying 7 divided by 2 is 3.5
then u check to make sure its the same for all the numbers.
Which it is because 21 divided by 6 is also 3.5 :)
Answer:$18
Step-by-step explanation:4 * 4 = $16. One pair of pants = $13. 16 + 13 = $29. 47 - 29 = $18
Answer:
0.5
Step-by-step explanation:
Answer:
step 3: he should have divided both sides by -7
Replace all x with -3
f(-3)=(-3)^2+2(-3)
f(-3)=9-6
f(-3)=3