3. The equation of a circle is x^2+y^2-4x+2y-11=0. What are the center and the radius of the circle? Show your work.

The height of a rocket a given number of seconds after it is released is modeled by h (t) = - 16t^2+32t+10.

Jay bought 7 jar of cookies each jar has 4 cookies. How many cookies were the jars

Select all of the solutions of 4x2 - 36 = 0. If there are no solutions, select the empty set. -3 -3/2 3/2 3 {}

Suppose that the local tax rate is 5% and you purchase a car for $21,750. How much tax is paid? What is the car's total cost?

The scale on a map is 1 cm : 6 km. If two cities are 13 cm apart on the map, what is the actual distance between the cities? A. 2.17 km B. 468 km C. 13 km D. 78 km

A function has the function rule y = - 7 x - 2. If the input is - 4, what is the output? 26 - 30 - 26 14

Compute the radius of the largest circle that is internally tangent to the ellipse at $ (3,0),$ and intersects the ellipse only at $ (3,0).$

Posterior comparisons: Reconsider the sample survey in Exercise 3.1. Suppose you are interested in comparing the rate of support in that county to the rate in another county.

The product of some negative number and 3 less than twice that number is 209. find the number

A markup that is more than 200%