The correlation coefficient for practicing violin and getting better grades in a group of people is 0.8. Analyze the following statement: Playing violin causes students to get better grades.

Is this a reasonable conclusion?

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32

Simplify each expression. use positive exponents. show work . (x –2 y –4 x 3 ) –2