4. A varies directly as r. If A = 12, when r = 2, calculate:
a) the value of A, when r=5
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Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?