For the first 500 minutes used each month, the customer is charged a flat rate of $50. these 500 minutes are "included" in their monthly plan.
for any additional minutes used, the customer is charged an additional $.10 per minute.
is it linear

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Which of the following circles have their centers in the third quadrant?