(9x - 7) - (5x + 10 )
2x - 15x
- 13x
Answer:
A proportional relationship is one in which two quantities vary directly with each other. We say the variable y varies directly as x if: y = k x. for some constant k , called the constant of proportionality .
Step-by-step explanation:
Answer:
Answer. (alpha + beta ) ^2 - 2 × alpha×beta
please mark me as brainlist
The distance formula is d=sqrt(x2-y2)^2+(x1-y1)^2. plug it in and get the answer
