Find the Value of 2a2+5b2

What are “like terms”? why can we only add like terms?

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?