Answer:
rectangle, square, circle
Step-by-step explanation:
Rectangle: length: 10 feet, Width: 50/10=5 feet
Square: length: 50/4=12.5 feet
Circle: 2pi(r)=50, radius=25/pi
The first digit of the password can be any of the ten digits - 10 possibilities.
A digit cannot be repeated, so the second digit can be any digit except the one you chose for the first digit - 9 possibilities.
The third digit can be any digit except the digits you chose for the first and second digit - 8 possibilities.
Using the rule of product:

There are 720 passwords.
C: 7
You do the multiplication and division first, then the addition and subtraction next. its a rule in math
Answer:
See below
Step-by-step explanation:
Regularly, 1.25
Now,0.5
So,

So, the percentage of decrease price is 60%.
Answer:20%
Step-by-step explanation:Based on the given conditions, formulate:( 35 - 28 ) divided by 35
Calculate the sum or difference: 7/ 35
Cross out the common factor: 1/5
Multiply a number to both the numerator and the denominator: 1/5 x 20/20
Write as a single fraction: 20/5x20
Calculate the product or quotient:20/100