Pretty sure its D . the amount he charges for his service and hours must be less than or equal to 225
Answer:
Y=7.5
Step-by-step explanation:
Answer is a. 2
3 - 2x= -7
- 2x = -4
x = 2
It would be a great idea to narrowing it down to (2^3)^134 mod 5. now it is easier cause <span> 8 = 3 (mod 5), let's compute 3^402 (mod 5).
</span><span>3^4 = 81 = 1 (mod 5). </span>
<span>Therefore, 3^402 = (3^4)^100 * 2^2 = 1^100 * 4 = 4 (mod 5). </span>