Answer:
nhjggggggggggggj
Step-by-step explanation:
12.
50/3
14.
60/11
hope this help, if you need futher help pm me
Answer:
9/2
Step-by-step explanation:
perpendicular lines have slopes that are opposite and reciprocal
the reciprocal of -2/9 is 9/2
Answer: 21 Nickels
21 dimes
8 pennies
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
(1)^2(-1)^2 +(1)(-1) -(-1)^3 -(1)^3
= 1·1 -1 -(-1) -1
= 1 - 1 + 1 - 1 = 0
