Use the permutation formula: a church has 10 bells in its bell tower. before each church service 4 bells are rung in sequence. no bell is rung more than once. how many sequences are there?
a
302,400
b
151,200
c
210
d
5040

The perimeter of a rectangle is greater than or equal to 74 meters. if the length is 25 meters, the minimum width of the rectangle is meters.

Order the measurements from the least to the greatest. 2,720 ml , 24.91 l , 0.0268 kl

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?