Find the sum of the first 25 terms of the arithmetic sequence given by the equation an = 6 - 3n

Write the standard form of an equation with (see picture below)

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?

What is the solution to the system of equations? y=1.5-3 y=-x