Bethany earns $2.00 for each book she sells. What equation could Bethany use to find the number of books (b) she must sell to earn $30.00?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

The triangles are similar. what is the value of x? enter your answer in the box.

An amusement park manager determined that about 23 of all customers would wait in long lines to ride the new roller coaster. which simulation could not be used to answer questions about whether a customer would wait?