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Question 1 of 10

1. Question

Sean is biking with a constant speed towards town B from town A. With the aid of wind, which has a speed of 2.5 km it takes him only one hour to reach the destination. However, on the way back to town A he has to bike against the wind, and it takes him three hours to reach town A. Find Sean’s speed.

km/h

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Incorrect

Question 2 of 10

2. Question

Two apples and three peaches cost \($1.35\), while four apples and nine peaches cost \($3.75\). Find the cost of each.

apple = cents, peach = cents

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Incorrect

Question 3 of 10

3. Question

Find the vertical asymptote(s) of \(f\left( x \right) = \dfrac{1}{{{{\left( {x – 2} \right)}^2}}}\).

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Incorrect

Question 4 of 10

4. Question

Find the acute angle, correcting to the nearest degree, between the lines: \(x + 2y = 4\) and \(5x – 2y = 3\).