A.)Rachel should have 6 second class tramps. Because if you do the equation 6+6+6 you get 18 (the number of first class stamps she has)
2.)Add 6 to 18 to get your answer :)
Assuming the pilcrow is supposed to represent pi:

100
Answer:
14cm
Step-by-step explanation:
You divide 378 from 27
The answer would be 25 because to find the range you have to subtract the highest number with the lowest number which would be 29-25=4
Answer:
x1= -7 , x2 = 7
Step-by-step explanation:
x^2 = 37 +12
x^2 = 49
x = -7 or 7