A parabola can be drawn given a focus of (1,3) and a directrix of x = -7. What can be said about the parabola?
The parabola has a vertex at (
), has a p-value of
and it

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Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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?

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°