X2 + y2 + 4x - 18y + 81 = 0

What is the center of this circle?

What is the radius of this circle?

units

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In a nonlinear optimization problem: a. all the constraints are nonlinear only when the objective is to maximize the function of the decision variables. b. the objective function is a nonlinear function of the constraints. c.

Is the solution to 2/3 * 18 greater than 18?

A surfer drives his dune buggy out into the sand dunes. He follows his compass 10 miles due north and then turns due west. If he ends up approximately 35 mi from where he started, how far west did he travel? A) 10 miles. B) 25 miles. C) 33.5 miles.

Donna is running a track it takes her 10 minutes to run 6 laps if she keeps running at the same speed how long will it take her to run 5 laps

Dao has 2 3/8 pounds of hamburger meat. He is making 1/4 pound burgers. how many hamburgers can he make?

What expression represents the phrase eight less than the product of a number and two

What is 0.514 written as a power of 10? a. 514 x 10^2 b. 514 x 10^3 c. 514 x 10^-3

The table below shows the height (in inches) and weight (in pounds) of eight basketball players Height: 67, 69, 70, 72, 74, 74, 78, 79 Weight: 183, 201, 206, 220, 226, 240, 253, 255 What is the correlation coefficient of the set of data?

How to do angles like vertical and congruent