21*10=210
30*7=210
42*5=210
14*15=210
Answer:
65.93
Step-by-step explanation:
Okay, first lets convert the money.
100 ÷ 1.43 = 69.9300699301 (69.93)
69.93 - 4 = 65.93
Ashley has 65.93 pounds.
Hope this helps! Brainliest would be appreciated. :)
Answer:
The first one
Step-by-step explanation:
the X values are all diffrent
Answer:
σX = 3161
Step-by-step explanation:
The standard deviation is the square root of the multiplication of each probability multiplied by the squared difference between the values and the mean.
In this question:
Rounding to the nearest dollar, σX = 3161
2/8 is equivalent to 1/4, as it is directly proportional.