D, hope this helps because 1/2 is less than 1. and 5*1/2 is 2.5 and that is less than 5
Plug in the volume and radius into the formula, then multiply.
Roberto paints 1/6 of a room in 1 hour.
Julio paints1/8 of a room in 1 hour.
Working together, they paint (1/6 + 1/8) = (4/24 + 3/24) = 7/24 room per hour.
The reciprocal unit rate is 24/7 hour per room = <em>3-3/7 hours</em> per room.
Answer:
a.) -18 x 10^6
Step-by-step explanation:
multiply 9 x-2
add exponents 9 and -3