Which theorem or postulate proves that ΔABC is similar to ΔDEF?
a. SSS Similarity Theorem
b. SAS Similarity Theorem
c. AA Similarity Postulate
d. None of these

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).

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.