Answer:
the number is 20
Step-by-step explanation:
let 'n' represent the number
2n + 9 = 49
2n = 40
n = 40/2 = 20
Answer:
2 triangles ?
Step-by-step explanation:
sorry if i got this wrong, when you cut it through the middle connecting the ends it give you two triangles?
Answer:
101
Step-by-step explanation:
-1584.
multiply 42 times 42 the subtract that from 180