Students spent d 2/10 of time reading and 7/10 of time. doing an experiment .They spend rest of time cleaning up .What fraction of class time is spent cleaning up ?
A 9/10
B 5/10
C 9/20
D 1/10

Which is a true statement about an exterior angle of a triangle a. it is formed by two segments that are not sides of the triangle, b. it forms a linear pair with one of the interior angles of the triangle, c. it is complementary to one of the interior angles of the triangle. d. it is formed by two segments that are sides of the triangle.

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

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122