Answer:
14m
Step-by-step explanation:
The expression that shows the number of coupon books:
14*m = 14m
Answer:y=-7n+33
Step-by-step explanation:
If you went by the numbers on the pie chart 25% prefered dramma,
25% of 3200 people is 800
Answer:

Step-by-step explanation:
Factorise numerator and denominator
x² - 9 ← is a difference of squares and factors in general as
a² - b² = (a - b)(a + b) , then
x² - 9
= x² - 3² = (x - 3)(x + 3)
x² - 3x ← factor out x from each term
= x(x - 3)
Then

=
← cancel common factor (x - 3) on numerator/denominator
= 
The answer is: The team traveled at 8 km per hour upstream and 20 km per hour downstream.
Hope this helps!
~LENA~