A dolphin swims 665,280 feet in 3 hours. Use the formula d = it, where d represents distance, r represents rate, and t represents time, to answer the
following questions. Show your work.
Part A: Rearrange the distance formula, d = it, to solve for rate. (2 points)
Part B: Find the dolphin's rate in feet per hour. (3 points)
Part C: Find the dolphin's rate in miles per hour. (3 points)
Part D: Which unit, feet, or miles, makes more sense to use in this scenario, and why? (2 points)

answer:

a=9

step-by-step explanation: lmk if you need a explanation

step-by-step explanation: the answer for wha if rt is 10 centimeters long, and wha is st? it’s 6

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.