Could someone help me with this Math question ? As soon as possible ! What is the opportunity cost of buying a $.75 soda every school day for three years instead of drinking water? Assume you are in school for 36 weeks a year and that water is free.

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?

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?

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.