How do I solve 7x^2 + 7x = 0?

Which numbers below belong to the Solution set of the inequality? Check all that apply

Variable y varies directly with x^2, and y=180 when x=6. what is the constant variation in the quadratic variation equation?

Seven thousand six hundred and eighty-nine times thirty six

A cotton candy vendor has 9 cones of blue cotton candy to sell. If the blue cotton candy is 25% of the total number of cones, how many total cotton candy cones does he have?

Damien need to buy 5 pints of juice

2/3 of a number is 12

The table represents a function. A 2-column table with 4 rows. The first column is labeled x with entries negative 4, negative 1, 3, 5. The second column is labeled f of x with entries negative 2, 5, 4, negative 8. What is f (5) ?

What is the rule for divisibility by 2?

if a certain number is added to 24, the result is the same as if the number were multiplied by 3. what is the number?

What is the the estimate of 137,638+52,091