Choose the word that completes the sentence correctly

proof: lkm ≅ jkm and lmk ≅ jmk are given km ≅ km by the property of congruence.

a.) equivalence
b.)reflexive
c.)symmetric
d.) transitive

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

What's the difference between: x≥0 and nonnegative integer. ?

For what values of x is x2 + 2x = 24 true?