I Dont understand these questions! economics help!?

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In the following question(s) you are asked to determine, other things equal, the effects of a given change in a determinant of demand or supply for product X upon (1) the demand (D) for, or supply (S) of, X, (2) the equilibrium price (P) of X and (3) the equilibrium quantity (Q) of X.

Refer to the above. An increase in the price of a product which is a complment to X will:

a. decrease S, decrease P, decrease Q
b. increase D, increase P, increase Q
c. decrease D, decrease P decrease Q
d. increase D, increase P, decrease Q

Refer to the above. Consumer expectations that the price of X will rise sharply in th future will:

a. increase S, increase P, increase Q
b. Increase D, increase P, Increase Q
c.decrease S, increase P, increase Q
d. increase D, decrease P, increase Q

Refer to the above. A decrease in the number of consumers of product X wil:

a. decrease S, increase P, decrease Q
b.increase D, increase P, increase Q
c. decrease D, decrease P, decrease Q
d. decrease D, decrease P, increase Q

Refer to above. An increase in income, if X is a normal good will:

a. increase D, increase P, increase Q
b. increase D, incease P, decrease Q
c. increase S, increase P, increase Q
d. decrease D, increase P, increase Q
 
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