Maria also wants to study the relationship between the weight of puppies at birth and their adult weight Part C: Preform a linear regression and interpret the results.

a. Use a calculator to preform a linear registration. Round the values your calculator gives you for a and b to the nearest hundredth (2 points)

y= ___x +

b. What is the slope of the regression equation? What does this mean in terms of the birth weight and adult weight ?

c. What is the value of the correlation coefficient?

d. describe the correlation in terms of strength( weak or strong) and direction( positive or negative)

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

The avenues in a particular city run north to south and are numbered consecutively with 1st avenue at the western border of the city. the streets in the city run east to west and are numbered consecutively with 1st street at the southern border of the city. for a festival, the city is not allowing cars to park in a rectangular region bordered by 5th avenue to the west. 9th avenue to the east, 4th street to the south, and 6th street to the north. if x is the avenue number and yis the street number, which of the following systems describes the region in which cars are not allowed to park? 5th ave 9th ave