PQRS is a square, solve for x.

Which expression is equivalent to sq-80

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?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer