What is a type of expression that contains a variable or variables

The equation of a circle is x2 + y2 + 6y = 7. What are the coordinates of the center and the length of the radius of the circle?

If we toss a pair of dice, what is the probability that a sum of seven will appear? A. 1/36 B. 7/36 C. 1/2 D. 1/6

On her first stroke, Maria hit a golf ball 140 yards, 2 feet, 9 inch. On her second she hit it 170 yards, 1 foot, 6 inches. How far did the ball go all together

What is the ordered pair for (24, 6) ? lost.

Janine has job offers from two companies. One company offers a starting salary of $28,000 with a raise of $3,000 each year. The other company offers a starting salary of $36,000 with a raise of $2,000 each year. a.

If the factors of a polynomial are x-2 and x-5, what values of x make that polynomial 0? A. 1 and 2 B. - 2 and - 5 C. 2 and 5 D. Cannot be determined

A dog weighs 2 pounds more than a cat. 3 cats and 4 dogs together weigh 43 pounds. How much does a dog weigh? How much does a cat weigh?

Is y equals x to the third power + x equals - 3 then what does y equal

What is f and x in f (x) = 7

18 * 5 * 10 * 9 * 7