Segment ef is a mid segment of triangle abc. if bc = 12 cm, what is the measure of segment ef? a. 28 cmb. 21 cmc. 6cmd. 12 cm( explain)

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

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.

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re