So your number is z and you want 9 less z-9
Answer:
Width = 9 cm, length = 14 cm
Step-by-step explanation:
Width = w; Length = L
2(W+L) = 46, W+L = 23, W= 23-L
W*L = 126, (23-L)*L = 126
W = 9, L = 14
Answer:
In general, an expression is in simplest form when it is easiest to use.
Step-by-step explanation:
Answer:
D. The colonies benefit from being part of the British empire
Step-by-step explanation:
Net change of wrestlers
Average rate of change = ---------------------------------
number of rounds
9 - 64 wrestlers - 55 wrestlers
Average rate of change = --------------------- = ------------------
4 rounds 4 rounds
Answer: there were 55 fewer wrestlers between rounds 1 and 4.