What is -1 7/8 + -2 1/4? Please explain why and a step by step :).

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.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Which is the focus of a parabola with equation y2=4x