X+y=20 3x-3y=30 Which values of x and y satisfy this system of equations?

What is slope and how is it determined on a graph

If i buy a box of candy for $30 and make $52 selling the candy what is my profit

5y2 + y + 2y2 - 7y - 5y2 + 4x How to simplify

Which decimal number is equivalent to 1/10? A. 1 B. 0.1 C. 0.01 D. 0.001

Peppermint patty is very discourged about her chances on a 10-item true-false quiz. if she randomly answers each question, what is her probability of getting a grade of at least 50% on a Two item quiz? Three item quiz? Four item quiz? Five item quiz?

Mrs. Miller wants to estimate the widths the steps in front of her house. Best bench mark for her to use is?

Paul wants to add new mulch to the top of all five garden beds. the new mulch will be 10 centimetres (cm) deep. about how much new mulch will paul need for this job?

Mac earns 4927 bimonthly. how much does he earn per year

How many four letter codes can be made if no letter can be used twice?

Kasi is building a patio. he has 136 bricks. he wants the patio to have 8 rows, each with the same number of bricks. how many bricks will kasi put in each row?