We can use the formula =rS12.6 to relate a ball's surface area S (in square inches) to its radius r (in inches). Suppose a ball has a surface area of 365.4 square inches. What is its radius?

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?