Sandy bought a shirt on sale for 20% off. she paid $50 for the shirt which included a tax of $5. how much was the original price of the shirt?

The length of a rectangle plus its width is 25 cm. the area is 156 square cm. what are the length and width of the rectangle? separate the answers with a comma.

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

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?