Please help with these (algebra)

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !