Which graph is the ellipse represented by the equation 16x^2 +25y^2 -100y -284=0

Which is the graph of the function y=2(4)^x

What is 0.000008 meters in scientific notation

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?