Answer:
it will be B
Step-by-step explanation:
because 1 lb is equal to .75 and the graph shows the exact process of if you were to keep adding .75
A.) ((150*280)/2)*210
B.) ((150*280)/2)*2+210*3
answer: +9
<em>hope this helps! ❤ from peachimin</em>
If the perimeter is 80, the length plus the width is 80/2=40, so the length is 40-4=36 cm.
Answer:

Step-by-step explanation:
I've written my working in the picture. I hope it's clear. :,)
I've expanded the brackets, simplied the fractions before simplifying them again, having found the common denominators of the constants and x terms.