(4x+2)(x-2) can someone help me with this question?

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

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 ?

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing