Answer:
Step-by-step explanation:
7x³ + 8x² -8x + 7
8x² - 5x +7 + 7x³ - 3x
7x³ + 8x² + (-5x -3x ) + 7
You will have 2 piano lessons and 6 tuba lessons
30.3
Both -1.5 and -3/2 will be halfway between -2 and -1 on the number line. 3/2 will be halfway between 1 and 2. -4/3 will be between -1.5 and -1.