Atank is full of oil weighing 30 lb/ft3. the tank is an inverted right rectangular pyramid (with the base at the top) with a width of 1 feet, a depth of 1 feet, and a height of 2 feet. find the work required to pump the water to a height of 3 feet above the top of the tank.

A50% increase followed by 33 1/2% decrease

Which equation is true? i. 56 ÷ 4·7 = 82 ÷ (11 + 5) ii. (24 ÷ 8 + 2)3 = (42 + 9)2 neither i nor ii ii only i and ii i only

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%