The 77th term is 532 because the nth term is 7n-7
7x77=539
539-7=532
Answer: 7z²-9z+20
Step-by-step explanation:
PEMDAS - Please Excuse My Dear Aunt Sally - Parentheses, Exponents, Multiplication, Division, Addition, Subtraction
It moves roughly 5 inches a day. (p.s you made a mistake, there is 365 days in a year not 356)

One really simple way to find an equivalent fraction is just to multiply the numerator and denominator.
For example, for the first answer,
, I simply multiplied the numerator and denominator each by 2. This gives you an equivalent fraction.
You can then continue with this process using numbers such as 3, 4, 5, and 6 as your multiplication factor.
The answer is 32, depending on how you do the math will be different outcomes