PLEASE HELP :( How many solutions can be found for the equation 5x + 3(x - 1) - 10x - 2x - 3? (4 points)

A:none
B:one
C:two
D:infinitely many

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.

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Which undefined geometric term is described as a location on a coordinate plane that is designed by an ordered pair (x, y) ?