X = 10 and y = -2, what is the value of the expression 9x-3y+8xy-3

A -61
B -67
C 241
D-79

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

Measures of the angle of r, 31 s (x+4) t (3x+9)

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?