Which value must be added to the expression x2 + 16x to make it a perfect-square trinomial?

8

32

64

256

Expanded form 7,080,300

Which industry is related to travel in space and in the Earth's atmosphere? A. Aerospace B. Agriculture C. Manufacturing D. Mining

The ratio of the volume of two spheres is 27:125. What is the ratio of lengths of the radii?

A number decreased by 73 is 129 find the number

An equation has solutions of m=-5 and m=9. what could be the equation?

How do you expand 412.638 in decamil and expanded form

A water tank is a rectangular prism that is 11 meters long, 9 meters wide, and 6 meters high. A solid metal box 4 meters long, 3 meters wide, and 5 meters high is sitting inside the tank. The tank is filled with water.

A car factory produced 20 cars in a day. After the equipment was renovated and another one was brought to the factory, the factory started to produce 70 cars per day. By what percent did the speed of car production increase? Not 350%

In which direction will a parabola with the equation y=-3x^2+9 open? downward left right upward

Jesse has a piece of wood that is 8 feet long. he needs to cut pieces that are 7/8 of a foot long. how many pieces will he be able to make