Select all coordinate pairs that are solutions to the inequality. 5x + 9y < 45.
Select all that apply:
(0,0)
(5,0)
(9,0)
(0,5)
(0,9)
(5,9)
(-5, -9)

Which representation has a constant of variation of -2.5

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

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?