If the number of neutrons in an atom are different than the most commonly occurring isotope then this would change the (blank) of the atom. this atom is called a (blank)

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression

Fast! find the length of cu. the triangles are similar. show your work.

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75