Use x=2x=2x, equals, 2 to identify the value of each expression

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!

41*67/2=1373.5

step-by-step explanation:

i just used a calculator

answer is because 4×10=40

and 98×4= is 392

40,392

example answer: "to determine if a sum is reasonable you can round each number to the nearest whole and compare the estimated sum to the actual sum."

hope this you and anyone else who needs the answer : ^)