What percent of 7/8 is 3/4? mwill give brainliest!

What is the equation of the graph below? y=sec(x)-4

What is (28 + 7 + 6 + 3) x 1/2 show your work

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?