Answer:
r = 8%
Step-by-step explanation:
Given that,
Interest, I = $24
Principal, P = $1200
Time, t = 90 days = 90/360 = 1/4 years
We need to find the rate.
We know that,
The simple interest is given by :

Put all the values,

So, the rate is 8%.
Answer:
each video game costs 14.5 dollars
Step-by-step explanation:
To see your work and be able to check if you have messed up on anything
Answer:
standard form is 6x−11y=13
Answer: 52
Step-by-step explanation:
cos=7/11.4 -> cos-1(cosB) = cos-1(7/11.4)
m<B = cos-1(7/11.4) = 52