Under his cell phone plan, Zachary pays a flat cost of $68 per month and $5 per gigabyte. He wants to keep his bill at $75.50 per month. Write and solve an equation
which can be used to determine X, the number of gigabytes of data Zachary can use while staying within his budget.

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

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.

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01