Triangle RST is similar to ∆XYZ with RS = 8 in. and XY = 6 in. If the area of ∆RST is 144 sq. in, determine the area of ∆XYZ

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

The cone in the diagram has the same height and base area as the prism. what is the ratio of the volume of the cone to the volume of the prism? h hl base area-b base area =b volume of cone_1 volume of prism 2 volume of cone 1 volume of prism 3 volume of cone 2 volume of prism 3 oc. od. volume of cone volume of prism e. volume of cone volume of prism 3 2