One car traveling at 30 mph and another car traveling at 40 mph left from the same place at the same time and traveled in opposite directions. how long will it take before the cars are 630 miles apart? one car traveling at 30 mph and another car traveling at 40 mph left from the same place at the same time and traveled in opposite directions. how long will it take before the cars are 630 miles apart?

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

Ms. aniston asked seven students in her class to collect pet food cans for a local animal shelter. the dot plot shows the number of food cans collected by each student. each dot represents one student. what is the median of the data set? a. 6 b. 9 c. 7 d. 8

Carl is boarding a plane. he has 22 checked bags of equal weight and a backpack that weighs 4 \text{ kg}4 kg. the total weight of carl's baggage is 35 \text{ kg}35 kg.