M<2 = x + 63 there’s an picture

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

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