Goal programming: a. is not an iterative solution procedure. b. requires the use of only hard constraints. c. involves solving problems containing a collection of goals that we would like to achieve. d. requires firm rhs values of the constraints.

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c