Please help, how do you write 4.06 in word form and expanded form?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two 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?