Signs are placed at the beginning and at the end of a 3-kilometer hiking trail. signs are also placed every 500 meters along the trail. how many signs are along the trail? explain.

If square root x = -7, then x= -49 true or false

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

Find the amplitude of a sinusoidal function that models this temperature variation