Answer:
I don´t understand the language, could you translate and maybe I could help?
Step-by-step explanation:
.6
105 or D divided by 175 meters per second or T equals .6
105÷175=.6
19
just 19
Answer:The vertex form is -y=a(x-h)2+k
12.6 times 0.45
price: .45
quantity: 12.6
cost = price x quantity