I'm attaching the solution.. feel free to ask if you have questions.. I basically did long division. Hope this helps.
Answer:
A) 288.62
Step-by-step explanation:
10.4×15.3= 159.12
10.4²+15.3²= X²
342.25= X²
18.5= X
7×18.5= 129.5
129.5+159.12= 288.62
Answer:3333333333333333Step-by-step explanation:
Whenever it’s to the power of 0 the answer is 1 but idk if it’s negative use photomath