What's the answer to this equation? ? 20 points
t^2-(t+5)^2-20=0

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

Me asap! what is the slope of this line? enter your answer in the box.

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?