Answer:
x+2x=21
Step-by-step explanation:
let x= the number of three points
let 2x= the number of two points
Therefore x+2x=21
84%
63 divided by 75 is 0.84. 0.84 is also 84% so the answer is 84%.
1 minute = 60 second
60 * 4 = 240
240 + 45
285 seconds
15
405 are not expected to be alive in the next year
40+1-(14.73+11.71)
41-26.44
14.56 left in change