For the following conditional, identify the converse and the truth value of the converse: if an angle is a right angle, then its measure is 90°. a) if an angle is not a right angle, then its measure is 90°. false b) if an angle has measure 90°, then it is a right angle. true c) if an angle has measure 90°, then it is a right angle. false d)if an angle is not a right angle, then its measure is not 90°. true

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?