D=228
when 2 numbers or variables are next to eachother it means you need to multiply. So in this case r=57 and t=4 and we mulitply. 57 x 4 = 228. So the answer is 228. Hope this helps and have a great day!
Can you take a better picture
Answer:
i am going to say it takes 1 mill seconds? lol.
Step-by-step explanation:
Are there any multiple choice answers?
