Which is the standard form of the equation with P = 21, Ø=7(3.14)/6 ? o 3x + J + 42 = 0 b. 3x + 42 = 0 C. 3x + y = 0 x + 421 = 0​

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3