SOMEONE HELP ME Describe a single transformation that would map ∆ABC to ∆ADE.

Suppose AD = 5, AE = 4, DB = 10, and EC = 8. Find the scale factor that takes ∆ABC to ∆ADE. Explain how you calculate the scale factor and what your answer means.

Explain why ∆ABC and ∆ADE are similar.

Which of the following expressions is equal to 2x^2+8

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?