2x+4y=6 x+2y=3 i need the graph and the answer

Which best explains why this triangle is or is not a right triangle?

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?

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth