In  a  hydrogen  atom,  a  given  electron  has  ℓ =7.    how  many  possible  values  can  m1  have?

Write the rational number in lowest terms 99/-15

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total