Antonia likes calculating the sum of the digits that she sees on her digital clock (think of a microwave clock). For example, if the time were 11:47, the sum would be equal to 13 (1+1+4+7). What is the largest sum she can get on a 12-hour digital clock?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

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

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.