Answer:
d = 16
Step-by-step explanation:
15 = d-1
Add 1 to each side
15 +1 =d-1+1
16 =d
Answer:
100
Step-by-step explanation:
both the percentage and the money have the same number, and there's always 100% so it'd be 100 before the tip
Answer:
16x^2+40x+25
Step-by-step explanation:
Answer:
percent- 40%
decimal- 0.4
percent- 2/5
Step-by-step explanation:
you divide 30 by 12 because he practices piano 12/30 days of the month
It is true because every term is the previous term multiplied by -2. So, -40 x -2 = 80, 80 x -2 = -160