In a bag of keys, there are 12 silver keys, 5 black keys, 11 copper keys, and 4 painted keys of various colors. One key is drawn out at random. What is the probability that the key that is drawn is silver.

The three vertices of a triangle drawn on a complex plane are represented by 0 + 0i, 4 + 0i, and 0 + 3i. The length of the hypotenuse is units, and the area of the triangle is square units. (Hint: Use the Pythagorean theorem.)

it takes approximately 1200 KG of coal to produce the energy needed to make 1 kg of aluminum is a single soda can requires 15 g of aluminum how many kilograms of coal would be needed to produce one soda can How many kilograms of coal would be needed

Barry I bought a new car for $15,000. The value of the car was depreciated by 25% after driving off the lot. After a year of driving the car, the value depreciated by an additional 15%.

What is the square root of 155 round to the nearest 10th

If f (x) = 2x²-x-6 and g (x) = x²-4, find f (x) : g (x) A. 2x+3/x-2 B. 2x-3/x+2 C. 2x+3/x+2 D. 2x-3/x-2

How do I solve the equation to - 63 + w = 55

are combinations of numbers and operations what is the word that fills in the blank

Brian wanted to build a wooden planter box for his garden with a volume of 32 cubic feet. If he constructed the planter with a height of 1 foot and a width of 4 feet, what should the length of the planter be, in feet?

Two and three eighths minus three fourths is

3 is 1 percent of what amount