Answer:
28 questions
Step-by-step explanation:
In the first 10 mins she answered 2/5 of 40 which is 16. The remaining amount is 24 questions and half of that is 12. So she answered 12 questions in 15 mins. Finally you add them to get 28 questions in 25 minutes.
Answer:
12x
Step-by-step explanation:
4x+2x+4x+2x=12x
k = - 3
given k +
= 
subtract
from both sides of the equation
k =
-
= -
= - 3
Answer: The second image, the second image where b' is right above b is the correct answer for this, hope this helped!
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Step-by-step explanation:
Answer:
9-2=7
Step-by-step explanation:
The range of a data set is the maximum (highest) value/number subtracted from the minimum (lowest) value. So to find the range of this data set, you subtract the largest number 9 by 2 to get the range of 7.