(x-2)(x+10)=13
x^2 + 10x - 2x - 20 = 13
x^2 + 8x - 20 - 13 = 0
x ^2 + 8x - 33 = 0
(x + 11) (x - 3) = 0
x + 11 = 0
x = -11
x - 3 = 0
x = 3
The answer is clearly x = 3.
Choice a.
Answer:
Step-by-step explanation:
A² = 14² + 48²
a² = 196 + 2304
a² = 2500
a = \/2500
a = \/(25*100)
a = 5*10
a = 50
Answer:
$1408
Step-by-step explanation:
64 * 22 = 1408