Which is the equation of a circle with its center at (-4,2) and a radius of 4?

Select one:

a. (x+4) 2 + (y-2) 2 = 16

b. (x-4) 2 + (y+2) 2 = 16

c. (x-4) 2 + (y+2) 2 = 4

d. (x+4) 2 + (y-2) 2 = 4

What is the female sex cell that results from meiosis? O zygote O sperm O egg O bacteria

What is science all about?

People can increase water conservation by eating more food drinking more water taking longer showers reducing water pollution

What is thr pH of a solution of NaCl that has [H+] = 1.00 * 10-7 M

For an endothermic reaction at equilibrium, the addition of a catalyst Group of answer choices causes no shift causes a shift to the right causes a shift to the left makes it an exothermic process

Molybdenum has a molar mass of 95.94g/mol. How many molecules of molybdenum are in 150.0 g of molybdenum

Describe a way that people might be able to solve each envioronmental problem listed below. coal mining can harm habitats and cause pollution.

A sample of methane gas occupies 4.50 gallons at a temperature of 80.0 F. If the pressure is held constant, what will be the volume of the gas at 100. degrees C?

Jack wants to know if it takes longer for warm water to freeze into ice cubes than cold water, so he performed the following experiment. Jack placed 50 mL of water in the refrigerator and allowed it to cool to a temperature of 4°C.

How to calculate average concentration