Using the digits 1 to 9 at most one time each, fill the boxes to make a whole number product.

If you answer right ill give brainliest, : )

What are “like terms”? why can we only add like terms?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?