What is a problem with classifying countries using development indicators? a. most people are not honest so the information collected is usually wrong. b. we can see which countries need . c. there are large contrasts or differences within each country which are hidden when averages are used.

Find the equation of the line that goes through the points (4, –1) and (2, –5). use slope formula,equation,to find the slope of a line that passes through the points. m = use slope-intercept form, y = mx + b, to find the y-intercept (b) of the line. b = write the equation in slope-intercept form, y = mx + b.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Write the factored form of this trinomial 9x^2+18x-7