Which statements are correct? the opposite of 27 is −27.the opposite of the opposite of −75 is −75.the opposite of zero is −0.the opposite of the opposite of −18 is 18.the opposite of −49 is the same as the opposite of the opposite of 49.

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?

Which system of linear inequalities is represented by the graph?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.