exam Maths Puzzle Numerical Ability

Evaluate

-c2nd power - 5(c0 power + d)2nd power if c = -3 and d = 4

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exam Other Question

tickets for homecoming dance cost $20 for a single ticket or $35 for a couple. ticket sales totaled $2280, and 128 people attende. how many tickets of each type were sold? how would I write an equation using: slope=1/3,passing through(-1,5)? thank you!!