Theorem: the segment joining the midpoints of two sides of a triangle is parallel to the third side and half its length. a two- column proof ofbthe theorem is shown but the proof is incomplete which of the following completes the proof? a. by definition of congruence b converse of corresponding angles postulate c by substitution d by construction

Select the correct answer. what is the exact value of sin (157.5°)? a. 'sqrt(2 - sqrt(2))/2 b. *"-"'sqrt(2 + sqrt(2))/29 c.'sqrt(2 + sqrt(2))/4" d. "-"sqrt(2 + sqrt(2))/4)

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