Ron is scuba diving. At noon, his altitude was -4.5 feet. At 2pm, he was 6 times deeper. Then, by 4pm, he had swam 2.5 feet towards the surface. What was his altitude at 4pm?​

Solve the triangle. a = 21°, c = 105°, c = 5

Which zero pair could be added to the function f(x) = x2 + 12x + 6 so that the function can be written in vertex form? o 3, -3o 6,629,-936, 36

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?