Scientist are monitoring a whales weight by observing its weight change once a week, over a 4 week period. how much has the whales weight changed over the entire 4 weeks (week chart) weight change in pounds. week 1. -2.1 week 2. +0.3 week 3. -1.7 week 4. -0.4 (answeres) a. -3.9 pounds b. 4.1 pounds c. 0.3 pounds d. -0.1 pounds ( answer i need 30pts )

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

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10