The upper-left coordinates on a rectangle are (-3,2), and the upper right coordinates are (6,2). The rectangle has a perimeter of 30 units

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?

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Hello, i need compare km^2 and km. what's difference in this?