Answer:
Use the formula for Arithmetic only if it is Arithmetic: a1+ (n-1)d
a represents the first number in the sequence, n represents the number, and d represent common difference
Use the formula for geometric sequence: an=a1r the exponent of r to n-1
an represents the nth term you are trying to find, a1 represents the first number, r represents the common ratio, and n-1 is just the nth term minus 1.
Once you figure out if the sequence is arithmetic or geometric you one of those formulas.
Answer:
Before Tax Price: $110.00
Sale Tax: 6.10% or $6.71
After Tax Price: ($116.71)
Step-by-step explanation:
The ratio of boys to girls would be 
since you can divide both 14 and 21 by 7, the simplified form would be 
.
The answer is 2 to 3.
350 x .07 = 24.50
Your sale tax for a jacket would be $24.50.
Answer:
Step-by-step explanation:
