Let
R = Ralph's age
S = Sara's age
First statement is translated as:
S = 3R
Second statement is translated as:
S + 4 = 2(R + 4)
Use the first equation to be substituted into the second one in terms of R which is the one we are actually going to solve for Ralph's age.
Since S = 3R, then
3R + 4 = 2(R + 4)
3R + 4 = 2R + 8
3R - 2R = 8 - 4
R = 4 years old
Yes that is true, all opposite sides would be parallel, and all the corners are 90 degrees, then yes it is true
6x - 1 = 2(-6)
6x = - 11
x = - 11/6
i am a mathematics teacher. if anything to ask please pm me
1,5, and 25. 1*25=25 and 5*5=25