(6.05) The table shows the number of students in a class who play on a school team and/or are members of a school club:
Do Not Play
Play on a School Team
Total
on a School Team
12
?
Club Member
Not a Club Member
Total
11
23
10
13
15
21
36
What is the missing number in the table?
O
3
05
O 25
O 27

X+ y = k 2x + 3y = k + 1 the point of intersection of the lines has an x-coordinate of a.2k + 1 b.-2k + 1 c.2k - 1

Which representation has a constant of variation of -2.5

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered