$6.89 per pound for salmon OR $3.50 for 8 ounces (half a pound) of salmon

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years

Plz hurry evaluate the expression a+b where a=8 and b=19