Find the difference: 28y − 16y
A.
12y
B.
10y
C.
-44y
D.
-12y

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Which graph corresponds to the function f(x) = x2 + 4x – 1?

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?