Sebs salary is $x per annum. the tax system is such that seb pays a 15% flat rate

Daniel expanded the expression as shown below -2(-8x-4y+3/4)=-10x-8y-11/4 what errors did he make? check all that apply

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.