An architect is planning a triangular pool with a perimeter of 99 ft. Two of the sides measure 20 and 42, respectively, what is the length of the missing side(x)?Solve for x

When they are both racing on hoverboards, victoria is 3 times as fast as her brother max. when she is on foot, she is 3 times slower than max on his hoverboard. they took off on hoverboards at the same time, but after 12 minutes, victoria’s hoverboard broke and she immediately started to run. if the race was a tie, how long, in minutes, did it last from start to finish?

Franco wants to double the volume of the cone. what should he do?

What is the difference between the points (4, 7) and (4, -5)? a. 0 units b. 2 units c. 4 units d. 12 units