What is the perimeter of a triangle with side lengths of 12 1, 98, and 4.6mn?
HELP PLEASE

Plzzz answer both questions and i will give you 100 points

Point b lies between points a and c on . let x represent the length of segment ab in inches. use the segment to complete the statements. the value of x is . the length of in inches is . the length of in inches is .

The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.