Two chemicals are combined in a beaker and react what data would provide the best evidence for determining if the reaction absorbed or release thermal energy

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

Which is the focus of a parabola with equation y2=4x