Consider this equation. cos(θ) = 4sqrt41/41 If θ is an angle in quadrant IV, what is the value of sin(θ)? HINT: It's not C. A. -5sqrt41/41
B. 5/4
C. 5sqrt41/41
D. -5/4

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

A) if $50000 is invested in a bank account that pays 9.3% of interest compounded on a six-monthly basis, how much money will be in the account after 3 and 12 years? b) if matusalen's father had put $2.0 in the bank when he was born and there, how long would matusalen have had to his death (969 years later) if the interest was 7% per year composed each month and weekly?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.