exam Maths Puzzle Numerical Ability

Please help me I am stuck with this question. Find the volume of a rectangular solid with a length of 3m and a width of 0.9m and a height of 5m.

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exam Other Question

I am trying to work this problem out...keep running into the wall...could please explain...the less and greater than sign has a line underneath.

solve the following sytem of linear inequalities by graphing.

x+2y<3
2x-3y<6 HELP..lol. A driver who drives at a speed of r mph for t hr will travel a distance d mi given by d=rt mi. How far will a driver travel at a speed of 56 mph for 4 hr?

Thank you