Simplify 7 • 8 – 9 + 36 ÷ 3
a) 45
b) 47
c) 57
d) 59

If i have 20$ and i gave 5$ away how much i got

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !

Use matrices to solve this linear system: 5x1 − 2x2 = −30 2x1 − x2 = −13 x1 = x2 =