That would be 1.... you can ask Siri btw xD
Answer:
15 hours
Step-by-step explanation:
150 divided by 10 equals 15
Make x the same in both so
12x+ 4y=72
12x+6y=30
Now the 12x cancel eachother out so
Difference between 6y and 4y is 2y
Difference between 30 and 72 is -42
2y must equal -42
Y = -21
Substitute -21 into the equation
X = 13
Answer:

Step-by-step explanation:
(square prism)
(cylinder)
(
cylinder)