The number of minutes f(m) of a race when you know the number of seconds.

∠1 and ∠2 are complementary. ∠1=x°∠2=(3x+30)° select from the drop down menu to correctly answer the question. what is the value of x? . a.15 b.25 c.30 d.40 e.55

True or false? a circle could be circumscribed about the quadrilateral below.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.