The cost of 9 donuts is $5.50. how many donuts can you buy for $33.00

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Find the value of the cosine for angle a

In what organelle does photosynthesis take place?