What is the surface area of a regular square pyramid with a slant height of 12 cm and a lateral edge of 13 cm?

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

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

15/16 as a decimal rounded to the nearest hundredth