Joshua is hiking glacier national park he has now hiked a total of 17km and is 2km short of being 1/2 of the way done with his hike

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.