1. Collect like terms
20t^2 + (-70 + 300)
2. Simplify
20t^2 + 230
Answer:
obtuse
Step-by-step explanation:
hope this helps dude
Answer:
B. 140 degrees
Step-by-step explanation:
Edge 2020
Answer:
D
Step-by-step explanation:
-2.25 x 3 = 6.75
the temperature decreased by 6.75 after 3 hours
