Whats the slope of (-5,-11) and (-2, 1)

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.