A plane, parallel to the center of the sphere, passes through the sphere at a distance of 6 cm from the center. The radius of the circular cross section is 8 cm. What is the diameter of the sphere?

the answer is b.)

< 1=< 2

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%