Rafael needs to add a title row to a table that he has inserted in Word. What should he do? Use the alignment options. Use the Merge and Center option for all the cells in the top row. Use the Merge and Center option on the first two cells in the top row. none of the above I'll mark brainliest

Acomputer has a two-level cache. suppose that 60% of the memory references hit on the first level cache, 35% hit on the second level, and 5% miss. the access times are 5 nsec, 15 nsec, and 60 nsec, respectively, where the times for the level 2 cache and memory start counting at the moment it is known that they are needed (e.g., a level 2 cache access does not even start until the level 1 cache miss occurs). what is the average access time?