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

How do you graph linear equation x+y=4

Compare the cost of the bike trips from the two companies shown. for both the cost in a linear function of the number of days which statements is true

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin