<span>x^2 + 8x = -3
</span><span>x^2 + 8x + 16 = -3 + 16
using a^2 + 2 a b + b^2 = (a+b)^2
</span><span>
</span>x^2 + 8x + 16 = 13
<span>(x +4)^2 = 13
answer : 16 is the number </span><span>you must add to complete the square</span>
Answer:
17
Step-by-step explanation:
because there are numbers involved
Answer:
2. $2.31
Step-by-step explanation:
25% off, 75% to be paid
75/100 × 31.5 = 23.625
20% off, 80% to be paid
80/100 × 26.75 = 21.4
18% off, 82% to be paid
82/100 × 26 = 21.32
Highest - Lowest
23.625 - 21.32
2.305
<D is corresponding to <CGF
answer is <D last choice
Answer:
3rd option
Step-by-step explanation:
the ratio of b : c is the cos77° , that is
cos77° =
=
≈ 0.224951054.