Answer:
Surface currents probably
Step-by-step explanation:
Answer: 1) 56 cents. 2) 30 CDs
Step-by-step explanation:
1.68 ÷ 3 = 56 cents
60 x 7 = $420
$420/ 14 = 30 CDs
I got 105in². When you multiply the two roots, everything goes under one 'roof', and then it's a matter of taking out the perfect squares.
Like: √175 × √63
√(7×5×5) √(3×3×7)
the pairs come out
7×5×3 = 105
Hope that's not toooooo confusing xD