Dvd Cases are sold in packages of 5. Padded Mailing Envelopes are sold in packets of 14. what is the last number of cases and envelopes you could buy, so that there is one case for each envelope with none left over, is ___ cases and ___ envelopes.

14 dvd cases

5 envelopes

Step-by-step explanation:

We need to find the least common multiple of 5 and 14

Find the prime factors

5 = 5*1

14 = 2*7

Multiple them together

2*5*7 = 70

The least common multiple is 70

70/5 = 14 so we need to buy 14 dvd cases

70/14 = 5 so we need to buy 5 envelopes

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer

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step-by-step explanation: