Answer:
1 1/2 points
Step-by-step explanation:
You can solve by using Pythagoras theorem.
Let the longest side be c.
a^2 + b^2 = c^2
If this holds, it is a right angle.
But, 3.5^2 + 4.5^2 is not equal to 5.5^2.
Answer:
She probably was supposed to multiply, instead of add.
Step-by-step explanation:
First multiply 24 and 32, which is 768.
Second multiply 768 and 12, which is 9216
9216 is the answer.
ANSWER

EXPLANATION
The given exponentiial expression is

We simplify using the rule:

We apply this property to get:

We simplify to get;

We rewrite as a positive index to get;

R - 18 = 50
r = 50 + 18 = 68
Hence Rick is 68 yrs old