If a represents the number of 16-gigabyte memory sticks and b
represents the number of 32-gigabyte memory sticks, which equation
represents the number of each kind of memory stick that should be
purchased for the teachers?

A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building

Find two consexutive odd integers such that the sum of their square is 650

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick