Mr. santiago has a flight from new york to paris that covers a distance of 3640 miles in 7 hours. if the plane travels at the same speed per hour, how many miles will it have traveled after 4 hours

Find the length of the following tangent segments to the circles centered at o and o' whose radii are 5 and 3 respectively and the distance between o and o' is 12. what is the tangent segment of cd?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Consider the first four terms of the sequence below. what is the 8th term of this sequence?