Ummm this confuses me a bit
Answer:
4.5 lb
Step-by-step explanation:
1.5*3 is 4.5
Answer:
.20
Step-by-step explanation:
75/500 = .15
35-15=20
Answer:
(-1, 4)
Step-by-step explanation:
-5+3/2 = -1
6+ 2/2 = 4
(-1, 4)
All the angles should add up to 360°.
8x+10x+9+21x-12+90=360°
Group like terms together.
So,8x+10x+21x+9+90-12=360
39x+87=360
39x=360-87
39x=273
x=7