Here is your answer
Add 315 gallons of 70% antifreeze to 90 gallons of 25% antifreeze to make a 60% mixture.
Answer: d = ±10
<u>Step-by-step explanation:</u>
169 =
+ 
169 = (12)² + 
169 = 144 + 
25 = 
100 = d²
√100 = √d²
±10 = d
Answer:
It’s triangular prism
Step-by-step explanation:
A variable is a letter that replaces an unknown number.
Answer:
YAY
Step-by-step explanation: