Use the equation for volume of a pyramid (base x width x height)
(7c-18)-2c>0
group like terms: 7c-2c-18>0
add similar elements: 7c-2c=5c
5c-18+18>0+18
Add 18 to both sides
5c-18+18>0+18
simplify
5c>18
divide both sides by 5
5c÷5>18/5
simplify
c>18/5
Answer:
7a
Step-by-step explanation:
You would just add the two numbers and put the a in front of the answer. It would be 2 + 5 (which is 7) then put the a after the 7.
1st image:
1. false
2. C
3. D
4. A
2nd image:
1. B
2. all real numbers
3rd image:
1. A
2. false
3. C
4th image:
1. B
Answer:y=2/3x
Step-by-step explanation: