What are the restriction the on variables?

4-x/x^2-16

x≠-4 and x≠4

x≠-4

x≠4

No restrictions needed

Find the volume of a sphere with a diameter of 25 cm. Approximate pi as 3.14 and round your answer to the nearest hundredth.

What is the value below when c=5 and d=4? 6c2 - 5d + 8

The circumference of a circle is 36 pi feet. What is the length of the radius of this circle?

What is the area of a rectangle with vertices at (2, 3), (7, 3), (7, 10), and (2, 10) ? a. 44 units2 b. 30 units2 c. 24 units2 d. 35 units2

In 1990, the profit of the Gamma company was $11,123,718. Each year after 1990, profits fell by $40,836 on average. Construct a linear model for this scenario and use it to solve for the profits in the year 2020. Round your answer to a whole dollar.

What is the decimal for 36/10

What 2a=4.6 show your work

Write an equation of the line that is perpendicular to3X + 9Y=7

A patroman gives a driver a speeding ticket if the driver's speed is greater than 15% over the posted speed limits. if the speed limit is 40 miles per hour. what is the highest speed that a driver can go without receiving a ticket?

The emergency exit map for the youth center came back from the printer, but it's too big for the frame. the map needs to be half its current dimensions. If the current map is 1 in:10 ft, what should the scale of the new map be?