3. Which two statements contradict each other?
1. 21 and 22 are complementary
angles.
II. mz1 = 50.
III. m21 + m22 + m23 = 90,
and m.23 0.
(A land 11 © I and III
(B) II and II 0 None

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

Find the quotient. 50a2 – 98b2 -5a +7b

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.