△ABC is reflected across the y-axis. The result is labeled △DEF. What must be true of angles A and D? ∡A is one−half of ∡D.

∡A is twice ∡D.

The angles are congruent.

What could explain what happened when the time was equal to 120 minutes

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

What is the average diastolic blood pressure for adults