What is the difference r+2/r+4 - 3/r+1 a. -1/r+3 b. r^2-1/(r+1)(r+4) c. r^2-10/(r+1)(r+4) d. r^2+14/(r+1)(r+4)

What is the missing step in this proof ?

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.