Answer:
45
Step-by-step explanation:
thats a right angle which us 90 degrees divide that by 2 is 45 also i have big brain
Answer:
30
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
9+4=13
Answer:
x=1
Step-by-step explanation:
4^x+3=7
subtract 3
4^x=4
x=1