What would be the reason for the second and third line of the proof?
Because the sum of all angles in a triangle is 180°
Because vertical angles are congruent
Because alternate interior angles are congruent
Because both angles are supplementary

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?