exam Maths Puzzle Numerical Ability

Find the directrix of the parabola (y-7)^2 = 4(x+3)

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exam Other Question

the formula for calculating the amount of money returned for an initial deposit into a bank account of CD (certificate of deposit) is give by:
A = P(1 + (r/n))^(nt)

A is the am please please HELP!

AFter the storm, the number of destroyed flowers was 240 percent more than before the storm. If 68,000 flowers were destroyed after the storm, how many had been destroyed before the storm?