She has extra because she only wants to make 80oz and it takes 8 and she has 30 so 30 is extra
Front yard
65+65+45+45=220
Back yard
45+45+35+35=160
220+160=380
380 feet
After 12 hours the pound would have 720 pounds of algae.
W=4 that the answer !!!!!
The bases were not the same when the exponents were set equal to each other.
16 should have been written as 4 squared.
The exponent on the right should be 4a instead of 8a.
The correct solution is a=-3/4.
