70 points for this ladies and gents The following table shows the results when
from a recent survey in which 1500 teens were asked about the most
important inventions of the 20th century. Complete the missing
information.

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Is there a direction u in which the rate of change of f(x,y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount