If a certain number is added to both the numerator and denominator of the fraction 8/9, the result is 6/7. find the numer.

In the geometric progression –3, 12, −48… what term is 3,072?

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u. s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u. s. dollars for every 100 euros. b. gabriella averages 100 u. s. dollars for every 25 euros. c. gabriella can exchange 75 u. s. dollars for 100 euros. d. gabriella can exchange 100 u. s. dollars for 75 euros.

Quadrilateral wxyz was dilated with the origin as the center of dilation to create quadrilateral w'x'y'z'. the quadrilateral was dilated using a scale factor of 2. the coordinates of the vertices of quadrilateral wxyz are given. you can use the scale factor to find the coordinates of the dilated image. enter the coordinates of the vertices of quadrilateral w'x'y'z'