Answer:
Idg
Step-by-step explanation:
Please Explain in the comments
Answer:
<em>Assuming person A and person B are part of the 7 people</em>, there are 10 ways the 7 people can line up if A needs to be first or last and B needs to be in the middle.
Step-by-step explanation:
There are 2 places for A (first, last) and 5 places for B (anywhere but first or last). 2 x 5 = 10.
Try this solution with short explanation; note, the suggested way is not the shortest one; the answers are marked with red colour.
Task no. 2: another solution is 45* (4/5) / (6/4) = 24 min.
The radius is always half of the diameter so it would be 20 inches
Answer:
Slide to the left then rotate 90° to the right then slide down then rotate 180° to the left/ right.
