_% of 20=18
What goes in the "_"?

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Dana kicks a soccer ball. the table shows the height of the soccer ball with respect to the time, in seconds, after the ball was kicked.time | height(seconds) | (feet) ~~~~~~~~~~~~~~~0.5 211 341.5 392 362.5 253 6which graph best displays the relationship shown in the table? (i just need confirmation that its c)

Solve the proportionx+1 14 = x-1 20 a. -3/17 b.10/7 c.7/10 or d. -17/3