Which decimal has the same value as 7/8

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c

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?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd