3x^2 + 2x^2 - 16 = 180
5x^2 = 180 + 16
x^2 = 196/5
= 39.2
x = 6.26
Answer:
9 by -2
Step-by-step explanation:
70
One photo takes up 528/264 mb, or 2mb.
2x35 = 70mb
1200 es la respuesta total