Answer:
What Is a MOOC? A massive open online course (MOOC) is a model for delivering learning content online to any person who wants to take a course, with no limit on attendance.
Explanation:
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
The first four concertos are designated Le quattro stagioni, each being named after a season. Each one is in three movements, with a slow movement between two faster ones (and these movements likewise vary in tempo amid the seasons as a whole).
