43 is 10% of what number

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.

Choose all that apply. select all of the fees a credit card may have. annual fee apr balance transfer fee cash advance fee late fee overdraft fee over-the-limit fee

Can someone factor this fully? my friend and i have two different answers and i would like to know if either of them is right. you in advance. a^2 - b^2 + 25 + 10a