68 - 4 × (6 - 4)4

pls help the answer questions are
16 80 4 or -2

Which statement justifies why angle ebc measures 90?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079