Which systems have infinite solutions? check all that apply.
y = 0.5x + 2.75 and 2y = x + 2.75
y = 0.5x + 2.75 and y – 0.5x = 2.75
y = 0.5x + 2.75 and 0.5x + y = 2.75
y = 0.5x + 2.75 and y = 0.5(x + 5.5)
y = 0.5x + 2.75 and y = –2(–0.25x )+ 2.75

Anna is no more than 3 years older than 2 times jamie’s age. jamie is at least 14 and anna is at most 35. which system of linear inequalities can be used to find the possible ages of anna, a, and jamie, j?

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Is the figure congruent? yes or no?