A bag contains three white marbles, two black marbles, and five red marbles. Find the probability of picking a black marble

Graph f (x) = - 2/3 x - 3

If 4 over 7 of a ton of concrete covers 7 over 8 of a bridge, how many tons of concrete are required to cover the entire bridge?

What is the solution of the system? 2x+y=15 x-y=3 (_,_)

At a snack stand, a milkshake costs $1.49, a cheeseburger costs $3.29, and an order of curly fries costs $2.79. Hong is going to buy this meal for 9 different people. What is the total amount it will cost him?

Simplify: 3 (2x+-10) - 8

Mary walked 23.61 miles this month. That is 8.625 more miles than she walked last month. What is the total number of miles she walked in both months?

2x + y = 10 -4x + 5y = 22

How is multiplying 0.3 by 10 like multiplying 0.3 by 0.01? how is it different?

Long division with 489

How do you do this step by step [3 (c-4) - 5 (c^2+4c-8) ]