Takehiko brought grapes to school. he gave 15 of his grapes to his friends. if he is left with 45 grapes, how many did he bring to school?

Which equation represents the partial sum of the geometric series?

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Whats the name of the vertical axis