Answer:
7 ft
Step-by-step explanation:
Perimeter of a rectangle is denoted by the formula: 
, where l is the length and w is the width.
We know that P = 20 and that w = 3. So, let's plug these values in:
Isolate the variable 
by subtracting 6 from both sides and dividing by 2:
Thus, the answer is 7 feet.
Hope this helps!
Answer:
it should be 490 joules
Step-by-step explanation:
9.8m/s^2
10kg * 9.8 * 3m
10kg*9.8*5m
Answer:
55- 3m is the awnser for this question
B 6.44 because 6.4 is equal to 6.40 and in between 6.40 and 6.60 there is 6.44.
Its a binomial. There are two terms
