The rocky mountain news (january 24, 1994) indicated that the 20-year mean snowfall in the denver boulder region is 28.76 inches. however, for the winter of 1993-1994, researchers believe the data collected indicates that the average snowfall for the 1993-1994 winter has higher than the previous 20-year average.

  or  

step-by-step explanation:

if the four friends split the cost, p, of the pizza evenly, then each friend pays one-fourth of the cost of the pizza.

the expression is   or  

the 3rd on is correct

step-by-step explanation:

final total: 63

step-by-step explanation:

60 times sales tax

60 times 0.05

3

60 + 3

63

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.