Suppose there are 20 people in a room. each of those 20 shakes hands exactly once with everyone else. how many handshakes take place?

Length is 32 and breadth is 32 find the square of the Square Garden

Rectangular prism A measures 6 inches by 4 inches by 5 inches. Rectangular prism B's dimensions are twice those of prism A. Find the volume of each prism. How many times as great is prism B's volume as Prism A's volume?

Rachel is making a planter box. If her box measures 345 inches long and 543 inches wide, how many inches of board will she needs?

If f (x) = x^2 + 2x + 1 and g (x) = 3x-4, which is equivalent to (f+g) (x)

Write equation of the line containing (-3,4) and (-1,2)

The time it takes to wash the dishes is uniformly distributed between 5 minutes and 13 minutes. what is the probability that washing the dishes tonight will take me between 8 and 11 minutes?

A pitcher on a baseball team has pitched 98 2/3 innings. What is the number of innings written as a decimal?

The perimeter of a rectangular wooden deck is 90 feet the decks length l is 5 feet less than 4 times it's with, w. Find the length and width of the wooden deck

The original price of a tractor was $55,000. The value decreases in value at a steady rate of 11% per year. What will the tractor be worth in 8 years? A) $21,651.24 B) $65,487.22 C) $45,591.35 D) $12,536.25

Write two verbal expressions for 2