what is the pre-image of vertex a' if the image shown on the
graph was created by a reflection across the line y = x?
(10,-2)
(-10, 2)
(-2,-10)
(2, 10)

answer: 819.89 miles across america

step-by-step explanation:

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%