Please answer all the question in the pictures please if don't know the answer don't answer because this quiz .​

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

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