Answer:
10000 options
Step-by-step explanation:
There are 10 options of digit from 0 to 9. It means there are 10 options for the first slot, 10 for the 2nd slot, 10 for the 3rd slot, and 10 for the last slot of each of the 4 slots of the password. For all 4 passwords the total amount of choices would be

C + 9 because you are adding o mode cars and an expression doesn't have an equal sign (=)
Answer:
My geomatry teacher doesn't even know
Step-by-step explanation:
Answer:
Given
The area of a rectangle is less than 81 square centimeters
length 9cm
width =x cm
Step-by-step explanation:
Area of rectangle=length ×width
= 9×X
Area of rectangle is less than 81 cm^2
So 9x-81=0
X=81/9
X=9
So the value of xis 9
5:4 is equal to 26.6 : 21.3 respectively which I found by dividing 48 by 9 and then multiplying by 5 and 4.