exam Maths Puzzle Numerical Ability

Amelia chose 3 cds that each cost $16. The sales tax on the three cds is $3.96. Write a direct variation equation relating sales tax to the price.

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exam Other Question

#52. Decide all values of b in the following equations that will give one or more real number solutions.
A). 3x^2+bx-3=0
B). 5x^2+bx+1=0
C). -3x^2+bx-3=0
D). Write a rule A diagnol walk through a small rectangular garden 9 meters by 12 meters can be built at $10 per linear meter. How much will the walk cost?