The algebraic expression can be written as
x-5.
Answer:
87
Step-by-step explanation:
Let d = number of desktops.
Let a = number of laptops.
a + d = 165
a = d + 9
d = a - 9
a + d = 165
a + a - 9 = 165
2a - 9 = 165
2a = 174
a = 87
Answer: 87
Answer:
61°
Step-by-step explanation:
Angle extended to the circumference is half the angle at the centre
ADC = ½ ABC = ½ × 122 = 61
69.92 when you add them all up and divide it you get 69.92