Triangle ABC is a right triangle. Which equations can be used to find the value of x? Check all that apply.
X+90+ (x-10) - 180
X+90+ (2x+40) = 180
2x+80 = 180
x+90 = 2x+40
(x-10)+90 = 2x+40

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

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