What unit should be used to calculating fundraising for field trip

What is the pattern in the values as the exponents increase?

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.