a) Sammie earns
  £320×4% = £12.80
each year.
Joel earns
  £420×3% = £12.60
each year.
Sammie earns the most interest.
b) Joel's interest after 5 years is 
  £12.60×5 = £63
so the total amount of money Joel will have is
  £420 +63 = £483
        
             
        
        
        
Answer: Not sure but try D
Step-by-step explanation:
not sure
 
        
             
        
        
        
Answer:
f(-2) = -5
General Formulas and Concepts:
<u>Pre-Algebra</u>
Order of Operations: BPEMDAS
- Brackets
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
<u>Algebra I</u>
Step-by-step explanation:
<u>Step 1: Define</u>
f(x) = 3x + 1
f(-2) is x = -2
<u>Step 2: Evaluate</u>
- Substitute in <em>x</em>:                    f(-2) = 3(-2) + 1
- Multiply:                               f(-2) = -6 + 1
- Add:                                     f(-2) = -5
 
        
             
        
        
        
Answer:
Hello Adam here! 
Step-by-step explanation:
The numbers that are represented by decimal numerals are the decimal fractions (sometimes called decimal numbers), that is, the rational numbers that may be expressed as a fraction whose denominator is a power of ten.
Hope This Helps From, Adam :)
 
        
             
        
        
        
Answer:
skew.
Step-by-step explanation:
Lines e and c are skew lines.
<u>Reason:</u>
They do not intersect with each other.
They are in different planes.
They are nor parallel to one another....