If c represents a number which of the following statement uses a multiplicative identity?
a- cx1=c
b-c+0=c
c-cx0=0

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

If square root x = -7, then x= -49 true or false

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