Answer:
B) -7
Step-by-step explanation:
since since since there is more of the negative number then the positive number, the positive number gets canceled out.
15t+4t+5t=6-30
24t=-24
t=-1
Answer: 1. Proportional 2. Not Proportional
Step-by-step explanation: cross multiply.
1. 16*9=144
36*4=144
2. 8*80= 640
20*20=400
