Find the remaining trigonometric ratios. tan() = 4, 0 < < 2

Alicia puts $400 in a bank account. each year the account earns 5% simple interest. how much money will be in her bank account in six months?

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

Find the value of x for which line a is parallel to line b