KJL and NJM are both adjacent to MJL
11 in - 7 in = 4 in
a^2 + (4 in)^2 = (5 in)^2
a^2 + 16 in = 25 in
a^2 = 9 in
a = 3 in
7 in x 3 in = 21 in
1/2( 3 in ) ( 4 in ) = 6 in
a = 21 in + 6 in = 27 in
Use a property of proportions that states that their reciprocals are equal if the two ratios are equal you get
x : 1
Answer:
4.
a) 
b) 
5. Yes
Step-by-step explanation:
The distributive property is:

It can be extended to a lot of terms as well.
We will use this to multiply both of the probelms shown.
4 a)

The answer is 
4 b)

The answer is 
5. Yes
Answer:
654 mutiply 78 plus is 28