Step-by-step explanation:
450cm of water is needed for it to be
Pairs of corresponding angles have the same measure.
X - an amount

To increase an amount by 3% you can multiply the amount by 1.03.
3 square root is called cube root btw:
cube root of -27/64 is the same as (cube root of -27)/(cube root of 64)
cube root of -27 is -3
cube root of 64 is 4
the anser is -3/4