Asailboat’s sail has three sides that are all the same length. each side measures x−10 units. the sail’s perimeter is 63 units. what is the value of x? enter your answer in the box.

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.

An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in