Sara is 33 years younger than rolando. the sum of their ages is 105. select the system of equations if sara's age is represented by s and rolando's age is represented by r.

a. s+r=33
s=r-105

b. s+r=105
r=s-33

c. s+r=105
s=r-105

d. s+r=105
s=r-33

e. none of these

I'm terrible at math any here is appreciated.

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.