Answer:5
Step-by-step explanation:
Answer:

Step-by-step explanation:
GIVEN: Daniel invests
in a retirement account with a fixed annual interest rate of
compounded
times per year.
TO FIND: What will the account balance be after
years
SOLUTION:
Amount invested by Daniel 
Annual interest rate
Total amount generated by compound interest is 
Here Principle amount 
rate of interest 
number of times compounding done in a year 
total duration of time 
putting values we get
=


Hence the total balance after
will be 
I'm not sure but I think its c
Answer:
The given equation is -2x^2 = -8x + 8
This can be rewritten as 2x^2 - 8x + 8 = 0
Here the value of a =2, b = -8 and c = 8
Discriminant = b^2 - 4ac
Now plug in the above values in the discriminant, we get
= (-8)^2 - 4*2*8
= 64 - 64
= 0
Here the discriminant is 0, so we will get one real root.
The discriminant is equal to 0, which means the equation has one real number solution.
Hope this will helpful.
Thank you.
Answer:
because the length is 4 feet more than the width
=> the length is x + 4 (feet)
because the base has an area of 21 square feet
=> x(x + 4) = 21
<=> x² + 4x = 21