The total cost of 4 pens and 7 mechanical pencils is $13.25 the cost of each pencil is $0.75 write an equation that could be used to find the cost of a pen

Que volumen ocupara una lampara

A bag contains four red cards numbered 1 through 4, four white cards numbered 1through 4, and four black cards numbered 1 through 4. You choose a card at random. What is the number of possible outcomes

Solve: - 1/2x + 3 = - x + 7

3/4 of the tables were removed from the cafeteria today. 40 students need to sit in the remaining tables. How much of the original table seating does each student have available to them now?

Identify the factors of 4x2 + 20x + 25. (4x + 5) (x + 5) (4x - 5) (x - 5) (2x + 5) (2x + 5) (2x - 5) (2x - 5)

1+2=21, 2+3=36,3+4=43,4+5=?

Which of the following triangle cases may have one, two, or zero solutions?

Marco wants to buy a new smartphone that costs $495, with some additional accessories He has already saved 75 $ write and solve an inequality to find the least amount of money, m, that Marco still needs to save before he can buy the smartphone and

The two longer sides of a triangle measure 22 and 29 units which one is a possible length of the shortest side

There are 6 runners in the 100 meter race at a track meet. in how many ways can the runners be arranged