exam Maths Puzzle Numerical Ability

Evaluate the following expressions when: x = 3, y = 5, z = -6

3x+y

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exam Other Question

Suppose you have an unlimited supply of 5-cent stamps and 11-cent stamps. you can make exact postage of 21 cents with two 5-cent stamps and one 11-cent stamp. You can also make exa Identify the slope, m, and the y-intercept, b, for each line.

x + y = 6