Five less than one fourth of x is y written out

For the function, f(x) = -5x 2, find f(-4).

An eight-sided die, which may or may not be a fair die, has four colors on it; you have been tossing the die for an hour and have recorded the color rolled for each toss. what is the probability you will roll a brown on your next toss of the die? express your answer as a simplified fraction or a decimal rounded to four decimal places.

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.