To solve the equation x - 4= 9, what should be done to both sides?
add 4 to both sides
subtract 4 from both sides
add 9 to both sides
subtract 9 from both sides

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).

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

What is the approximate value of the correlation coefficient for the given graph? a. 1 b. 5 c. 3 d. -1