exam
Maths Puzzle
Numerical Ability
Solve each system by the addition method
2x+3y+11
7x-4y+6
and
2x-y=-5
3x+2y=3
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exam Other Question
Media Services charges $40. for a phone and $30/month for its economy plan. Find a model that determines the total cost, C(t), of operating a Media Services phone for t months.
Determine x for 102x + 1 = 100 x.
a. x = -1
b. x = 2
c. x = 0
d. No solution