Evaluate each algebraic expression for x = 4,7,2.5, and -1 a 8x b. 6 - 12x 2.​

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

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab