How do you add and subtract fractions?

If n is a prime number greater than 2, then [n-1]=?

A standard I. Q. test produces normally distributed results with a mean of 104 and a standard deviation of 16 for 52,000 students in grade 12 in the province. Approximately how many of these people would have I. Q.

Which is the best estimate for the average rate of change for the quadratic function graph on the interval 4 ≤ x ≤ 8? A) 1 B) 2 C) 3 D) 4

What is the value of the first term in the following arithmetic sequence? -9, - 2, 5, 12, ... 9 -9 7 -7

Adella wants to have $10,000.00 saved in 5 years. Her local bank offers an account at 4% APR compounding monthly. How much would she need to deposit to reach her goal? $8000.33 $8191.67 $8189.67 $8219.29

5 and 705/1000 in simplest form

Which of the following is the function of FX if F^-1 (x) = * / 8 + 3

What numbers add up to-15 but when multiplied gives me-54

Andrea purchased 10 packs of trading cards online and received a 20% discount of each pack shipping cost 3.99 write an algebraic expression to represent the total cost of the trading cards with the shipping cost

28 over 40 simplest form