Frank scored a total of 90 points on a two part quiz. His part 2 score was 9 less than twice his part 1 score. If x represents his part 1 score and y represents his part 2 score, then which system can be used to find Franks scores on each part?

The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

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