If the q is: are 4z2-22 and 4 equivalent expressions, the answer is No.
4z2-22=4
8z-22 is not equal to 4
If you are looking for value of z, then:
8z-22=4
8z=4+22
8z=26
z=26/8
z=13/4
In case in which z=13/4, than expression
4z2-22 would be equivalent to 4.
Hope this helped.
Answer:
infinity
Step-by-step explanation:
um how many are there
Using numbers 0-9 ( 10 numbers for each digit)
1st digit can't be 2 so it can be 10-1 = 9 other digits
2nd, 3rd and 4th digits can be 1 of 10 digits each
5th digit must be odd do it can be 1, 3, 5, 7, 9 ( 1 of 5 digits)
so number of different codes would be 9 x 10 x 10 x 10 x 5 = 45,000 different codes