What do the interior angles of a regular 15-gon SUM to? What is the measure of an Interior (I) and Exterior (E) angle of the 18-gon? Provide all three answers. Type it as sum = (answer), I = (answer), and E= (answer)

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

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?