Tami keeps track of the number of trips she takes to the library and to the bookstore each month for a year. Her data is shown in the scatter plot below. Which equation could represent the line of best fit for the data in the scatter plot?

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap