Sammi practiced piano for 23 minutes on Monday, 37 minutes on Tuesday and 42 minutes on Thursday. Her piano teacher wants to know about how many minutes she spent practicing total. Which of these shows how she can estimate the answer by rounding the addends?

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

Will give are given that xy is parallel to zw. if xz is a transversal that intercepts xy and zw, angle angle alternate interior angles. since xy is parallel to zw, we know that these angles are we also know that angle xvy and angle zvw are , and thus congruent. we can conclude that △xyv ~ △zwv using the similarity theorem.

Select a graph that have an equation with a < 0