Maria can clean the entire house in two hours. Her sister, Sasha, can clean the house in three hours. How long would it take for two of them to do the job together?

Which country has the best education system in the world?

The waterfall trail is 3/4 mile long at 1/6 of the distance from the shore head there is a workout in Miles how far is the lookout from the trail.

A=bh2 17 m² 30 m² 60 m² 120 m² Right triangle with height labeled 12 meters, base labeled 5 meters, and third side labeled 13 meters.

1. A classic problem. Anna bought a horse for $50 and sold it for $60. She then bought the horse back for $70 and sold it again for $80. What do you think was the financial outcome of these transactions? The woman ...

The tree frog population in your backyard doubles every two weeks currently there are 10 frogs in your backyard assuming that there four weeks in a month how many tree frogs Weatherby in three months

At the grocery store watermelon costs $1.27 per pound. If Heather buys a 5.5 lb watermelon, which proportion could she use to find out how much it will cost, c?

What os 638 diveded by 6?

You want the volume of the box to be 9 cubic inches. Find the rational solution (s) of the equation. Then use polynomial long division to find the other solution (s). What are the possible side lengths of the box?

A couple has 4 children ages 9, 6, 4, and 1. What is the probability that they are all girls?

Use the quadratic formula to solve 2y² + 6y - 8 = 0. {-4, - 1} {4, - 1} {-4, 1} {4, 1}