Which are reasons to use Collaborative Learning check all that apply. plz ill give brainlist

What does a sperm cell plus egg cell equal in total?

1. declare a constant named cents_per_pound and initialize with 25. 2. get the shipping weight from user input storing the weight into shipweightpounds. 3. using flat_fee_cents and cents_per_pound constants, assign shipcostcents with the cost of shipping a package weighing shipweightpounds.

Octothorpe is another name for what common computer keyboard symbol?