Arope weighs 400 grams per meter of length. what is the weight in kilograms of 6.3 m of this rope

a. 32.72 kg

b. 4.21 kg

c. 24.556 kg

d. 2.52 kg

Identify the number 127 as a rational or irrational. explain

What is perpendicular to y=-1/2x+11

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!