Answer:
20
Step-by-step explanation:
20
0.7 / 100 = 0.007 or 0.007 x 100 = 0.7 hope this helps
Answer: 567
Step-by-step explanation: cause im smart i think
Answer:
(x + 7)^2 = 64
Step-by-step explanation:
x^2 + 23x – 19 = 9x - 4
x^2 + 23x - 9x = -4 + 19
x^2 + 14x = 15 = 0
Completing the square:
(x + 14/2)^2 - (14/2)^2 = 15
(x + 7)^2 - 49 = 15
(x + 7)^2 = 64
