Find the equation in standard form of the ellipse whose foci are F1(-8,0) and F2(8,0), such any that for any point on it, the sum of its distance from the foci is 20. i really need the answer for my homework plss=)
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The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Identify the number 127 as a rational or irrational. explain