6+3x=7-x. pls solve and i will mark you brainliest

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?