Answer (Respuesta): B
3^2 (9) + 1 = 10 y 2^2 (4) + 1 = 5 por eso 10 - 5 = 5
Answer:
(x+9)(x-9)
Step-by-step explanation:
Lets BC =x
8/5 = 32/x
8x =32 * 5
8x = 160
x = 160/8
x = 20
answer
BC = 20
Answer:
Step-by-step explanation:
x = 6
Sometimes it helps to draw it out...
(17)
C_______M_________Q
|___________________|
21
therefore, CM + MQ = CQ
17 + MQ = 21
MQ = 21 - 17
MQ = 4 <===
