exam Maths Puzzle Numerical Ability

4. The line

y=0.15x+0.79


represents an estimate of the average cost of gasoline for each year. The line

0.11x-y=-0.85

estimates the price

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exam Other Question

let x represent the number write an expression for the product

The square of 5 more than a number
log4</sub>24 - log4</sub>6