Erica solve the equation negative 5X - 25 equals 78; her work is shown below identify the error and where it is made

How to find a vector in the null space of a matrix?

Solve for b 2 (b-2) = 2b+9

How to add mixed numbers

Liang went to the bookstore. he spent 1/3 of his, money on a pen and 4/7 of it on books. what fraction of his money did he have left?

What does having a correlation in a scatter plot mean

Aiden and Ryan are collecting clothes for a shelter. Ryan collected 1/4 as many clothes as Aiden did. If Aiden collected 12 bags of clothes, which expression below could you use to find out how many bags of clothes Ryan collected? a. 12 : 1/4 b.

29, 19, and 29 triangle as acute, right, or obtuse.

Dean ran 1 2/5 miles. Sheila ran three times as far as Dean. How far did Sheila run?

3m=5 (m+3) - 3 what is m equal to?

2x + y = 3 X - 2y = - 1 If equation one is multiplied by 2 and then the equations are added, the result is 3x = 2 O 5x = 5 5x = 2 3x=5 db