Which number rounds to 340 when rounded to the nearest ten?

Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

What is the relationship between all triangles that can be drawn given the same three angles