the average of four numbers is 638.4 the first three numbers are 216 159.8 and 301.25 find the fourth number

The length of a rectangle is 5 meters more than its width. If the area is 84 square meters, what are the length and[..]

Identify the conclusion of the following statement: If two lines are parallel, their alternate interior angles are[..]

A 24-foot pole is leaning against a wall. It touches the wall 12 feet above the ground. Find the measure of the[..]

A board leans against the side of a house and makes an angle of 70° with the ground at a point 6 feet from the base[..]

24-foot board leans against the side of a house, making an angle of 70° with the ground. How far up the side of the[..]

The angle of elevation from a point on the ground to the top of a post is 15°. The point is 100 meters from the base[..]

At a certain time of the day, a 4-meter-tall vertical pole casts a shadow of 3 meters. What is the angle of[..]

A 25-in. TV set has a screen with a height of 15 in. What is its width? Show your work and explain how you arrived[..]

A slow-pitch softball diamond is actually a square 65 ft on a side. How far is it from home to second base? Show[..]