Harry buys 3 packs of ruled notepads. each pack has same number of notepads. stella buys 4 packs of plain notepads. each pack has same number of notepads. if a represents the number of ruled notepads and b represents the number of plain notepads, write the expression showing the total number of notepads.

While picking thirty apples, mia noticed that six apples had worm holes and had to be thrown away. what is the ratio of good apples picked to bad apples picked?

65 8 7 4 5 6 8 4 3 2 1 9 5 6 4 2 1 6 5 1 5 1 3 2 3 5 multiply the third number in the first row by the seventh number in the third row. add this result to the fifth number in the second row. add to this total ten times the fourth number in the third row. subtract the eighth number in the first row from the result.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression