Answer:
The question isn't completely clear, but I believe that the answer would be 7m. That is the correct format.
You could make 15 lines and cross out 7 and see what you end up with or make a rectangle and make 14 lines so there are 15 lines/boxes then shade 7 and see how many are not shaded...... the answer is 8
1. -7×3t−7×−9
2. -21t−7×−9
3. -21t−(−63)
Answer:
-21t + 63
$840 is roughly 36 percent of $2,330, when rounded to the nearest tenth Dustin spends 40% on rent.
the answer to the first question would be 
the answer to the second question will be 
