In the picture above, the perimeter of the starfish is 30 centimeters. this original picture is to be

enlarged in both dimensions to an image that is similar to the original picture. if the area of the enlarged

image is 9 times the area of the original picture, what is the perimeter in centimeters of the starfish in

the enlarged image?

Even if a person is in very good shape, applying to be a police officer requires commitment to fitness. applicants must pass a physical fitness test. in order to prepare for the test, janet purchases an activity tracker to court her steps. her goal is to walk 10,000 steps each day. she measures heard average step length to be 30 inches. play janet runs, her average steps length increases to 36 in. how many steps would she have to take to run 1 mile 50280 round to the nearest step

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

Which expression is the factorization of x^2+10+21