Answer:
Step-by-step explanation:
Here we use the formula for simple interest as
Simple interest = 
P stands for principal, N = no of years and r = rate of interest.
i)Here
dollars
ii) Here 
percent
iii) 
Thus simple interest = 6.50

Option A is right
Answer:
385 different combinations
Step-by-step explanation:
In order to find the number of different combinations when given the number of options, simply multiply all options together - almost as if you were solving for the volume of a rectangular prism.
For example, if I were given 3 different colors and 2 different interior materials, I would have 6 different combinations of cars, because 3x2 is 6.
In this case, 11x5x7 is 385!
Answer:
68
Step-by-step explanation:
41+77= 112
180-112= 68
The angles in a triangle all add up to 180°.
Answer:
this looks to be right to me
Answer:
80
miles
=
128
k
m
Step-by-step explanation: