The graph of f'f ′
, the derivative of the function ff, is shown below. Determine all intervals on which f(x)f(x) is concave up on the open interval \left(-9, 9\right).(−9,9).

Divide. write in the simplest form. 4 1/6 divided by 10

The measure of an angle is 117°. what is the measure of a supplementary angle?

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?