Justin and Elena each launched a toy rocket into the air the height of Justin's rocket is modeled by the equation H equals -16 squared + 60 t + 2 ellena launched his rocket from the same position but with an initial velocity double that of justins which equation best models the height of Ellen is rocket

As of 2013, the world’s total population was about

Read the paragraph and answer the question that follows: the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert which sentence should be revised to eliminate redundancy? the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert system is needed immediately.

Energy is the total kinetic energy of particles of matter.(chose wisely & pick one) a. mechanical b.thermal c.electrical d.chemical