8. The aspect ratio of a television screen is the ratio of the measure of the horizontal length to the measure of the vertical height.
Find the horizontal length of a television screen with an aspect ratio of 4 : 3 and a
vertical height of 90 cm.​

How can you avoid the problem of groupthink? a. by choosing a group leader to direct the group b. by composing the team of only like-minded individuals c. by encouraging all members to voice their opinions d. by keeping quiet when you disagree with another group member's opinion