Which statement best expresses the total cost (c) for buying (n) slices of pizzas at $3.00 each?
1)c – n = 3.00
2)c + n = 3.00
3)c = 3.00n
4)c=n/3.00

Which of the following statement about pascal's triangle are true?

Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*