You are standing above the point (5,4)(5,4) on the surface z=15−(x2+2y2)z=15−(x2+2y2). (a) In which direction should you walk to descend fastest? (Give your answer as a unit 2-vector.)

70

step-by-step explanation:

48 / 6 = x

in this case, x will equal the amount of money in each card!

x therefore will be 8.

trent had $8 in each birthday card.

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%