Answer:
25
Step-by-step explanation:
3^2=9
-2^4=16
9+16=25
Answer:
9.67 inches altogether
Step-by-step explanation:
2.91 + 6.76 = 9.67
2.91
+6.76
--------------
9.67
y=2x+5
2(2x+5)+4x=10
4x+10+4x=10
8x=20
So there's one solution, x=2.5
She has 50% that she will get heads