How do you mathematically write 6 inches and 4 1/2 inches

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

You can find the constant of proportionality by finding the ratio of

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?