12. The ratios of the side lengths of a triangle are 7:9:12. The perimeter is 56. What are the lengths of the sides? ​

What is 1/2 x (6 x 4)+3 + 2 show your work

What is the length of the unknown leg in the right triangle ?

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have