Write a proportion (or equation) to find the part, whole or percent. Then, solve. What percent of 50 is 10?

Proportion or equation:



What number is 50% of 20?

Proportion or equation:



12 is 3% of what number?

Proportion or equation:

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

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Find the cosine function that is represented in the graph.