Answer:
260 assignments in a school year
Step by Step:
There are 180 days in a school year and you do 3 assignments per day you multiple 180 and 3
Answers
1. Solve inside bracket first
7x^2+4x-26+7x^2+3x-15
= (14x^2+7x-41) Answer
2. 5x(6x^2+3x+7)-1(6x^2+3x+7)
= 30x^3+15x^2+35x-6x^2-3x-7
= (30x^3+9x^2+32x-7) Answer
Seven hundred forty-five thousand three hundred five
Im guessing that it is 5 but then again dont trust me XD
