Minutes 7
Martin's running ability is measured by this proportion
1 3
7 21
Use the proportion to identify the values of the
variables that complete the rate table
21
a=
a
ba
C=
70
C

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?

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?

Which of the following shows the graph of y=2e^x?