Find the value of x
a) 5
b) -1
c) 6
d) 2

Chose the graph below that represents the following system of inequality’s

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?