The answer is a.162 because 162.5 rounds down to 162
Split the second term in 5x^2 + 12 - 32 into two terms
5x^2 + 20x - 8x - 32
Factor out common terms in the first two terms, then in the last two terms
5x(x + 4) - 8(x + 4)
Factor out the common term: x + 4
<u>(x + 4)(5x - 8) </u>
Short Answer D
P(1) = 1(1+1)(2*1 + 1)/6
P(1) = 1(2)(2 +1) / 6
P(1) = 1(2)(3)/6
P(1) = 1
P(2) = 2(2+1)(2*2 + 1) / 6
P(2) = 2(3)(5) / 6
P(2) = 5 So this formula is adding as it goes along. To Find the Total all we need do is use the formula to calculate P(1) to P(7)
P(7) = 7*(7 + 1)(2*7 + 1)/6
P(7) = 7 * 8 * 15 / 6
P(7) = 7 * 4 * 5
P(7) = 140 <<<< Answer
A
Do you need a explanation or just a answer?
Umm I would say 20% ion know bro