10 times 90 is 900, and divided by -19 is -900/19.
((x+2)(x+2))-((x-5)(1))=A
x^2+4x+4-x+5=A
x^2+3x+9=A
If Jiri is x, Pamela is x -5, and tehri ages combined would be 35 so;
x + x-5 = 35
collect the like terms
2x-5 = 35
add five to both sides
2x= 40
divide both sides by 2
x=20
Jiri's age is 20
I'm not 100% positive but I believe it would be the 14th person. 10+4=14. That's just my guess.
Answer:
Radius
Step-by-step explanation: