Steve is a painter. He can paint a house in 20 hours. It takes his assistant 30 hours to paint a house. How long, in hours, would it take them to paint a house working together?

Two urns each contain green balls and blue balls. Urn 1 contains 4 green balls and 6 blue balls, and urn 11 contains 6 greeb balls and 2 blue balls. A ball is drawn at random from each urn. What is the probability that both balls are blue?

What is the range of this set of data 111,97,63,84,100,119,72

If you are driving at a rate of 55 miles per hour, about how many feet per second are you traveling? A. 0.015 feet per second B. 80.67 feet per second C. 4840 feet per second D. 290400 feet per second

What is the ratio 7.3 to 10 written as a fraction in lowest term?

A squirrel in a long glide typically covers a horizontal distance of 16 m while losing 8.0 m in altitude. during this glide, what is the angle of the squirrel's path below the horizontal?

Factorise fully the following: a) x² + x b) 3x - 9x^2 c) 7x^3 - 35x d) 4x^3 + 24x^2

What is the y-intercept of y = - 3x - 2? Choose 1 answer:

1) An aircraft carrier made a trip to Guam and back. The trip there took three hours and the trip back took four hours. It averaged 6 km/h on the return trip. Find the average speed of the trip there.

Your mid-morning break begins at 10:30 A. M. and lasts for 15 minutes. You work 2 hours and 50 minutes until your lunch break. What time does your lunch break begin?

Solve for x. x/r-8 + 1/8 = x+1/8-r •x = - r/16 •x = r/16 •x = r/8