Please help
The equation (x – 5)2 + (y – 7)2 = 81 models the position and range of a cellular phone tower. What is the range of the tower?

A: 18 units

B: 9 units

C: 27 units

D: 81 units

Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Atown has a population of 12000 and grows at 3.5% every year. what will be the population after 7 years, to the nearest whole number?