Answer:
3x*14
Step-by-step explanation:
The sum of = A number or addition
A Number = Variable or given number
And = Multiplication/Multiply By
a is the best way to find it if there is points involved so keep that in mind
U call it keep change change. keep 15.7. change it to subtract and change -3.45 to just 3.45 (positive not negative)
427.26 yards- I am pretty sure.