Could use some help on these three problems thanks.

(- 9 C www.webassign.net/web/Student/AssignmentrResponses/submit?dep:16067471 r g The altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 2 cmZ/min. At what rate is the base of the triangle changing when the altitude is 10 cm and the area is 170 cm2? cm/min Need Hello? i i A water trough is 6 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 80 cm wide at the top, and has height 40 cm. If the trough is being lled with water at the rate of 0.3 mZ/min how fast is the water level rising when the water is 10 cm deep? ml min Need Help? i _ _ A ladder 10 ft long rests against a vertical wall. If the bottom of the ladder slides away from the wall at a rate of 11 W5, how fast is the angle between the ladder and the ground changing when the bottom of the ladder is 8 ft from the wall? (That is, find the angle's rate of change when the bottom of the ladder is 8 ft from the wall.) 00125 x rad/s wall 10 y i. untitledeprezietjz p A | @ leakyrgutlJpg " B imagesjpg " \" eatingeplanecuree " &quot