8 cleaners can clean an office in 3 hours, if the block needs to be cleaned in 2 hours, how many cleaners will be needed?

The base of a triangle in which h=9 and a=135in^2

Solve the system x-z=5, 2x+y = 7, y+3z=12

Anna's running time for a race was 23.1 seconds. Another runner's time was 5.86 seconds faster. Find the other Runners time

The area of an artist's square canvas can hold 113 square inches of paint. What is the approximate length of one side of the canvas? (Approximate to the nearest hundredth inch.) Answers: 10.62 inches 10.63 inches 10.64 inches 10.65 inches

Tiffany is solving an equation where both sides are quadratic expressions. If the graph of one quadratic opens upward and the other opens downward, what is the greatest possible number of intersections for these graphs?

How to find the length for the area on a polygon

In a restaurant, a study found that 42% of patrons smoked. if the seating capacity is 60 people, about how many people smoke

Shanna's collection of antique pottery has increased in value over the past two years. Two years ago, the value of her collection was $755. If the value increased 5% during the first year and 7% during the next year, what is the current value?

There are 48 cards in a pack and each card is either red or black. The ratio of the number of red cards to the number of black cards is 1 : 1 8 red cards are removed from the pack.

What is 6 factors of 20