The answer is 21 because I added 8 + 10+3=and I got 21
Answer:
92
Step-by-step explanation:
Given
2n + t² ← substitute n = - 4 and t = - 10 into the expression
= 2(- 4) + (- 10)² = - 8 + 100 = 92
That would be 644.8 / 31 = 20.8 feet / second
I estimated to 45 then divided 21 and got about 2.1