Carlos surveyed a random sample of 30 students in his school’s cafeteria about whether they like the schools pizza. 15 of the 30 students said that they had liked the pizza, and there is a total of 750 students that visit the cafe each day? Based on the results of the survey, how many of the 750 students who visit the cafe can be expected to like the pizza? how many students they should expect
A: 720
B: 735
c: 375
D: 11250

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

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?

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%