Assuming the keypad has all 26 letters and the numbers 1-9 there are 2106 possible codes
9x9x26=2106
Answer:
c.) 4 2/3
Step-by-step explanation:
look at the screenshot below it'll explain the answer
Answer:
x = d/ a + c / a - b
Step-by-step explanation:
a( x + b ) - c = d
add c on both sides
a( x + b) = d + c
ax + ab = d + c
subtract ab from both sides
ax = d + c - ab divide both sides by a
ax / a = d/ a + c/ a - ab / a
x = d/ a + c / a - b
12) Im not sure about this one
13) c
14)a
why does maths have to be confusing