1.a crew took 24 days to complete 40% of a job; how much additional ti
me to complete the job? 34,35,36 or 38 days?
2.a gas tank is 3.6 full. it takes 90 gallons to fill the tank. the total number of gallons the tank can hold is? 50, 89, 144 or 225?

Need on this one asap im almost done with this subject

What is x and y intercepts for y=x+7

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?