Find the exact value of the trigonometric expression given cos (22.5).

You deposit $3000 each year into an account earning 4% interest compounded annually. How much will you have in the account in 35 years?

Question 8 the price of a cup of coffee was $2.55 yesterday. today, the price fell to $2.40. find the percentage decrease. round your answer to the nearest tenth of a percent. %

Solve for b: b² = 8b + 84

A number, x, rounded to 2 decimal places is 15.38, write the error interval

What is the smallest positive difference between two fractions if the denominators of two fractions are 2 and 3?

From a group of 8 people, including George and Nina, 3 people are to be selected at random to work on a certain project. What is the probability that the 3 people selected will include George but not Nina? A) 5/56 B) 9/56 C) 15/56 D) 21/56 E) 25/56

5 (2x+6) - 17+0+0+0+0+0+0+0

What type of number is 3 - 771? Complex number Question in Khan Academy

2T+2T-8+3+5k there is a 2 as an exponent on the 5k but I can't wright it so FYI

show answer using graph y=2x - 3 y=3x + 2