Find the area of the surface generated when the given curve is revolved about the y-axis. y equals startfraction x squared over 144 endfractiony= x2 144 for 72 less than or equals y less than or equals 144

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

Which expression is equivalent to the expression below? (6c^2 + 3c) / (-4c + 2) / (2c + 1) / (4c - 1)a. 3c(2c-1) / (2c + 1)b. -3c(2c-1)^2 / (2c + 1)^2c. 3cd. -3c(just took the test its d. -3c)

What describes horizontal cross section of the right rectangle 6m 8m 5m