3creioane si 2 pixuri costa 16 lei iar 2 creioane si 3 pixuri costa 19 lei. afla cat costa un creion si un pix

mr. graef told us it is 13 pints

step-by-step explanation:

1. 16.64

a^2+b^2=c^2

pr^2=pq^2+qr^2

pr^2=14^2+ 9^2

pr^2=196+81

pr= sqr root of 277

16.64

2. 11.31

c^2-a^2=b^2

18^2- 14^2=b^2

b^2=324-196

b=sqr root of 126

b=11.31

hope it ! (btw im in connections academy to, good luck! )

there were only 2 presidents that were under the age of 45. theodore roosevelt, and jfk, that makes 5%

y = -1

x = 8

hope this !