Joe's savings increased by 4.5%. His savings are now £125.40.
What were his savings before the increase?

For the equations below which statement is true ?

Select a graph that have an equation with a < 0

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?