book
Maths Puzzle
Numerical Ability
a line passes through a(1,-3) and b(2,7)
write the equation of a line perpendicular to a. how would you go about solving this problem?
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book Other Question
A pizza shop sold a total of 50 small pizzas. The receipts from sales were $160.00. If large pizzas were $4, and small pizzaa were $3, how many of each were sold?
(x-7) (2)
__ = ___
(x-9) (x-9)