Un cohete es lanzado desde una montaña a 120 metros sobre el nivel del mar. La distancia u(t) del cohete sobre el nivel del mar en cualquier tiempo t (en segundos) está dada por la ecuación u(t)=-12t2+36t+120 el tiempo en caer al océano es

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me