Answer:
39 ib or pounds
Step-by-step explanation:
easy
Answer:
A pack of pencil' price=$8
Price went up=$12
increasing percentage = change/original x100
= (12 -8)/8 x100
=4/8 x100
=50%
Answer:
x is 10.3
Step-by-step explanation:
Answer:
? = 1 (assuming right-angled triangle)
Step-by-step explanation:
This is an application of Pythagoras' Theorem, but rearranged:

is, of course, 10, so 10 - 9 = 1, and
.