Twelve is the geometric mean of 9 and what number

If the surface area of a cube is 54 cm2, how long is each side? 3 cm 6 cm 9 cm 12 cm

A hair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. How many milliliter of each are used to make a 300 mL solution that is 5% hydrogen peroxide?

Evaluate 6 + the sq root of 14+x minus - the sq root of 9x when x=2

An item is purchased for a wholesale price of $48 and will be sold at a 55 percent markup. Which expression should be used to find the amount of the markup?

C) Daca AD = 5cm AB = 15cm AC = 18cm si BC = 12cm, calculati AE, DE, DB, si EC? d) Daca AD = 4cm DB = 6cm AC = 15cm si BC = 18cm, calculate AB, AE, EC, DE?

Find the height of a triangle with an area (a) of 35 square inches and base (b) of 7 inches. Use the formula for the area of a triangle, a = 1/2bh

A survey of 50 people found that 14 people like building a snowman. If 600 people had responded, how many would have been expected to list building a snowman as their favorite winter activity? theoretical or experimental probability, and why

What is leaner equation

The probability of heads 3 times in a row is very low. if first two times are heads, what is the probability in 3rd

7y+25=-24 what is the answer