when you subtract a number, you get the same result as when you add the opposite of that number why ?

the answer is b 4pi/3

got it down chief.

i’m kinda new to precal but your answer should be 21. hope i got it right.

step-by-step explanation:

answer: number of steps anna and todd walk 150 and 250 respectively.

step-by-step explanation:

since we have given that

for every 3 steps of anna's steps , todd made 5 steps .

so, there will be ratio i.e.

so, the number of steps anna walk = 3x

the number of steps todd walk = 5x

according to question,

so,

number of steps anna walk is given by

number of   steps todd walk is given by