Given that ∠xqr = 180° and ∠lqm = 180°, which equation could be used to solve problems involving the relationships between ∠xqm and ∠rqm? a) 180 + (140 − 7a) = (70 − 3a) b) 180 + (70 − 3a) = (140 − 7a) c) 180 − (140 − 7a) = (70 − 3a) d) (140 − 7a) − (70 − 3a) = 180

Which is the correct sequence of steps to set up a document in landscape orientation? a. select page setup from the file menu. then click the margins tab and select landscape. b. select page setup from the edit menu. then click the margins tab and select landscape. c. select page setup from the insert menu. then click the margins tab and select landscape. d. select page setup from the format menu. then click the margins tab and select landscape