12. Some students were investigating the speed of a toy car they built. They performed two trials and recorded their data in the table below.
Toy-Car Trials
Trial 1
Trial 2
Time (s)
Distance (m)
Time (s)
Distance (m)
4.0
7.2
5.0
9.0
What was the average speed of the toy car during the two trials to the nearest tenth of a
m/s2

Which of the following are accepted without proof in a logical system? check all that apply.

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4