A typeface is a particular design of type.
Serifs are semi-structural details or small decorative flourishes at the ends of some strokes that have made letters and symbols. For example, most teachers like it when their students use Times New Roman font. Sans serif does not have these details or flourishes. Another example would be the Arial font.
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Answer:
x = 15
Explanation:
The angle is 90 degrees, so 3x qnd 4x - 15 combined would equal 90.
Combining like terms would turn the equation into 7x-15 = 90.
Add 15: 7x = 105
Divide 105 by 7, and x = 15
Primary colors: yellow, red, and blue
Secondary colors: orange, purple, and green