People are entering a stadium at a steady rate of 40 people per minute. After 60 minutes there are 2500 people in the stadium. If no one left during the 60 minutes, how many people were in the stadium before the gates opened?

What is the circumference of a circle when the radius is 9?

What's 0 divided by 0?

Y = 4x + 11 y = - 2x - 1

2. A parking lot holds 40 cars. There are 20 cars in the lot already. Which inequality can be solved to show all the numbers of cars c that can still park in the lot? a. 20+C < 40 C. 60 b. 20+C = 40 d. 60 SC

Y=1/2x+13 Equation of a parallel line? Equation of a perpendicular line? Explain how you know if two lines are parallel or perpendicular based on their equations

a lab technician must screen 175 slides under the microscope each week. if she works 7 hours a day, 5 days a week, how many slides, on average, must she screen in one hour?

Lizzy has 30 coins that total $4.80. All of her coins are dimes, D, and quarters, Q. Which system of equations models this situation? 1) D+Q=4.80 .10D +.25Q = 30 2) D+Q=30 .10D +.25Q = 4.80 3) D+Q=30 .25D +.10Q = 4.80 4) D+Q = 4.80 .25D +. 10Q = 30

What is the answer to 23*-5

79.83 - 24.92 - 54.91

Mr. Williams owns a stable in the countryside. He created the expression below to represent the number of horses at the stable t years after he began boarding horses. Which statement below best describes the coefficient, 30? A.