The base of a solid right pyramid is a square with an edge length of n units. The height of the pyramid is n-
1 units
Which expression represents the volume of the
pyramid?
nin – 1) units 3
kin(n − 1)2 units
in?(n − 1) units
in?(n − 1) units
(n-1)
n
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Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

Nikolas calculated the volume of the prism. his work is shown below.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?