Please help with this

The table above shows approximate conversions from gallons to liters. what is the value of x?

State one method by which you can recognize a perfect square trinomial.

Does the construction demonstrate how to copy an angle correctly using technology a) yes the distance between points a and f was used to create circle h b) yes the distance between points f and g was used to create circle h c) no the distance between points a and f was used to create circle h d) no the distance between points f and g was used to create circle h