(2√5 + 3(√7))^2
(2√5 + 3(√7))(2√5 + 3(√7))
4*5 + 6√35 + 6√35 + 9*7
20 + 12√35 + 63
20 + 63 + 12√35
83 + 12√35
I rounded the two numbers to their nearest thousands. 781000-230000 would equal to 552000. Is this high school math? My 8 year-old sister can solve this.
The answer is
D because the question is basically asking you to solve for the equation at t = 5. We get:

Since it models speed of the car, and <u><em /></u><em>not the time</em>, the answer is
D.
Answer: 1.70
Step-by-step explanation: subtract 9 by 8 and then u will g etc the answer