Zach's age is twice Dylan's age and the sum of their ages is 45. How old is Zach?

Write and solve a system of linear equations.

I need help on this

2x + 1 < 5 solve the following inequality. then place the correct number in the box provided.

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)

Jorge wants to determine the enlarged dimensions of a digital photo to be used as wallpaper on his computer screen. the original photo was 800 pixels wide by 600 pixels high. the new photo will be 1,260 pixels wide. what will the new height be?