Answer:
Step-by-step explanation:
Part A;

Part B ;

The more reasonable one is 1.4m .0.001435 is too small(its not even up to 1)
30 miles per hour
or, 30 miles per 60 minutes /:30
=> 1 mile per 2 minutes
50 miles => 2*50 minutes=100 minutes
100 minutes=60minutes+40minutes=An hour and 40 minutes
The area with out the frame 20x24=480
the area with the frame 28x24=672
672-280=392 cm²
A number

, where

are distinct prime numbers, has

divisors.
We know that

has 7 divisors. 7 is a prime number, so among the numbers

there is only one that is equal to 7.
So,

That means

where

is a prime number.

, therefore the

has

divisors.
Answer:lol
Step-by-step explanation: