Meghan used her cell phone for 45 minutes each day for n days. Her total minutes of cell phone usage was 540 minutes. Use the equation 45n = 540 to solve for n.

The pizza pantry has a 25% off grand opening special. you have a coupon for a restaurant. you save $3 on a meal. how much was the original meal?

What's 3 answers to 18a_6b

Find y if y = - 6x + 84

What steps assist with adding and subtracting rational expressions

Chelsea has four hours of free time on Saturday. She would like to spend no more than 2/3 of an hour on each activity. How many activities can she do during that time?

The ratio in size of Gabriel's room to her brother Giorgio's room was 5:3. The area of Gabrielle's room was 240 square feet. If Giorgio's room was square-shaped, what was the length of his room?

A student estimates that it would take 3 hours to write a book report, but it actually took her 5 hours. What is the percent error?

Jerry makes 20$ an hour. He spends 30 dollars a day on transportation and food. Write an expression to describe his spending and earnings for the day, where x is the number of hours that Jerry works that day.

Find the percent increase for the given original and new quantities in parts a through c. a. Original quantity: 100 New quantity: 106 b. Original quantity: 10 New quantity: 16 c. Original quantity: 50 New quantity: 56 a.

What is - x^2+12x-32 in standard form?