What is the length of the
base of the triangle?
4 cm

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

Whats are the trickiest steps to do when adding or subtracting rational expressions? how does knowledge of rational numbers u in adding and subtracting rational expressions?