Answer:
First answer: The sum of the two angles equals 70 degrees.
Second answer: The complimentary angle is 45.6, and the supplementary angle is 135.6.
I hope this helps! :)
Answer:
Alice saved 218 and mindy saved 218+54
Step-by-step explanation:
Step-by-step explanation:
Formula for simple interest:

where
a = final amount
p = principal amount
r = interest rate per annum
t = time in years
Now, we are finding a, the final amount, and given,
p = $650
r = 5.5% (5.5/100)
t = 4 years

Answer:
-30
Step-by-step explanation:
Used a calculator lol