A square pyramid has a base length of 4 inches. The height of each triangular face is 12 inches. What is the surface area of the pyramid? square inches

Twelve less than a number is at most 20

80 points suppose marcy made 45 posts online. if 23 of them contained an image, what percent of her posts had images? round your answer to the nearest whole percent. 54 percent 51 percent 49 percent 48 percent

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.