There are 700 people at a funfair. 4 of the 700 people are boys.
1
7 of the 700 people are girls.
10
The rest of the 700 people are adults.
Work out the number of adults at the funfair.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

If f(x) = 3x-2 and g(x) =2x+1 find (f-g)(x)