exam Maths Puzzle Numerical Ability

a. The measure of angle CBD is 10 less than twice the measure of angle ABD. If D is in the interior of angle ABC and the measure of angle ABC is 80, what is the measure of angle CBD?

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exam Other Question
Solve each problem. Use your choice of methods.


x + y = -4

4x + y = -13

y + 3z = -10 I need the surface area of triangule prism that has the sides of 7m, 9m, 10m, and 5m