<span>Problem: 3(x-5)-15=48
1. Multiply what's in the parenthesis
3x-15-15=48
2. Combine like terms
3x-30=48
3. Switch the sides
3x=48+30
3x=78
4. Divide
x=26
Answer: 26
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Answer:

Step-by-step explanation:
Using k as the constant of proportionality.
The expression that expresses the relationship : p varies jointly with the square of d and the cube of u.
Varies jointly means that p will change as 'd' and 'u' will change together with respect to their powers.
We get the expression as:

Answer:
1. yes
2.yes
3.yes
4.yes
Step-by-step explanation:
(0,3) is the correct answer to your question