Help please and Thank you! Mark rented a truck for the weekend 2 days. The base price was 29.95 per day plus 14 1/2 cents per mile. Mark drove 410.85 miles. How much didark owe? (Round answer to the nearest cent)

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

What is the value of x when x + 7 = 21?

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?