The lock on a safe requires a three-digit code to open it. The three digits must each be a number from 0-9 (10 possible numbers) . Each number cannot be used more than once in the code. How many codes could there be?
1 answer:
The correct answer is Choice B: 720.
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<span>7x^2 + 7y^2 - 28x + 42y - 35 = 0.
Step-by-step explanation:
8x - 2y + x + x
8x - 2y + 2x
10x - 2y
D 10x - 2y
So D Option is the correct answer
A measurement is an area of number sense that relates to the quantity of ingredients in recipes
Answer:
21 bikes and 3 tricycles
Step-by-step explanation:
21 items
51 wheels
42 wheels=21 bikes
51-42=9
9/3=3 tricycles
