Is 8.54 rational i am stuck and cant find answers

A cheetah can run at a rate of 75 miles per hour. A greyhound can run at a speed of 75 km per hour. Who is faster?

Claire is on a business trip. She'll be traveling from Liverpool, England, to Melbourne, Australia. The latitude value of Liverpool is 53.41 degrees, and the longitude value is - 2.99 degrees. The latitude value of Melbourne is - 37.

At the beach, gavin and his sister both built sandcastle and then measured their heights. Gavins sandcastle was 3 7/3 feet tall and his sisters was 2 3/8 feet tall how much taller was gavins sandcastle than his sisters

Inez and Joel work at a store that sells cell phones. Inez worked for 7 hours and 23 minutes. Joel worked for 4 hours and 51 minutes. How much longer did Inez work than Joel?

Explain how you could write a quadratic function in factored for that would have a veres with an coordinate of 3 and two distinct roots, Answer : the vertex lies on the axis of symmetry, so the axis of symmetry is x=3.

Lisa and Judy are wrapping gifts for their children. Lisa is making the bows. She has 37 and 1/3 yards of ribbon. If each bow uses 4 and 2/3 yards of ribbon, how many bows can Lisa make?

2,250 watts to horsepower (Round answer to the nearest thousandth.

10^m*10^n for m=2 and n=4

Convert 5 feet to inches. There are 12 inches in 1 foot. A) 15 inches B) 20 inches C) 50 inches D) 60 inches

How do u estimate 243*6