Micah is three more than 5 times the age of his sister. if micah is 18 years old, then what is the age of his sister? identify the two operations, in their appropriate order, needed to solve this problem

His sister is 3 years old.

Step-by-step explanation:

Micah - M

Sister - S

M = 3 + 5S

18 = 3 + 5S

15 = 5S

3 = S

His sister is 3.

1. sometimes

2. never true

3. sometimes

step-by-step explanation:

these are pretty self explanatory if you know what supp right and com angles are

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.