Answer:
1
Step-by-step explanation:
Answer:
2. 39 cm
Step-by-step explanation:
Jack is 1.79m
1.79 + 2.8= 4.59 m
4.59-4.2= 0.39m
0.39 m= 39 cm
If sound travels through air at around 13 of a kilometer per second, and thunder is heard 6 seconds after a flash of lightning, it would be 78ths of a kilometer. Although, I can't simplify that for you. Sorry. ^-^
Answer:
10x + 15y = 450
Step-by-step explanation:
A store sells bracelets for $10 and rings for $15.
Sold 30 items.
They counted the money they made $450.
x = bracelets
y = rings
10x + 15y = 450
