Answer:
A rotation ____on the coordinate plane________ a figure around a fixed point called the center of
___rotation_____________.
Answer:
Rotation 90⁰ clockwise about point (-1,-1)
Answer:
14 hours
Step-by-step explanation:
Let's call the task 3x
The older bro does twice as younger so it would be 2x long and younger brother work x long
Since the totsl of work is 3x = 21 x woul be 21÷3 = 7
the older brother must work 2 × 7 = 14 hours long
