When the air conditioner in a building is running, the temperature in the building changes at a rate of −1 ∘F every 18 minutes. At this rate, how many hours should it take to cool the building from a temperature of 85.5 ∘F to a temperature of 78 ∘F? Round your answer to the nearest hundredth, if necessary.

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?