Working alone, it takes Julia 16 hours to clean an attic. Lea can clean the same attic in 15 hours. If they worked together how long would it take them?

How far will a train moveing at 42 miles ph travel in 31/2 hours?

The 8th term of an ap is 17 and 18 term is 13 find the common difference

If a spacecraft was parked on Venus and needed to make a flight to Jupiter, how far would it need to travel? (Assume both planets are aligned with the sun and are on the same side of the sun.) in scientific notation.

Use the quadratic model y=-4x²+8x+8 to predict y if x equals 100. a) 40,808 b) 39,208 c) - 40,792 d) - 39,192

The enrollment at Sonyas school this year is 109% of last year's enrollment. What decimal represents this years enrollment compared to last year's?

Of the following factors of 28, put a check beside each prime factor

Taylor wants to paint his rectangular deck that is 42 feet long and 28 feet wide. A gallon of paint covers about 350 square feet.

A class trip consists of 84 students and 6 teacher. How many students per teacher are there?

A law firm charges $100 per hour plus a $300 origination fee for its services find a function notation

What is 18/7 written as a mixed number? A. 1 9/7 B. 3 3/7 C. 2 4/7 D. 18 1/7