A sphere with radius of 2.1 feet is shown below. 2.1 feet What is the exact volume of the sphere? O 5.882 cubic feet O 12.3487 cubic feet 19.606x cubic feet 23.527 cubic feet​

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

What percent of 18 is 24? and plz explain thx.