PLEASE HELP AND DON'T IGNORE PLEASE

For each proportion find the unknown number x 1/5/8=×/15

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

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?