Use your calculator to work out this equation I can't because my calculator doesn't have certain buttons so can someone help me pls?

Write the sentence as an equation. 6 fewer than the quantity 140 times j equals 104

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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.