Answer:
x=2y+12
let me know if you need the steps
Answer:
310°
Step-by-step explanation:

Answer: 1/4
Step-by-step explanation: 1/2 chance it shows heads if you do it once so: 1/2 times 1/2
Answer:
a=5cm
Step-by-step explanation:
V=B*H
You will get base if you do this:
B=V:H
B=175:7
B=25
I'm not so good with English, side is probably a,so:
Formula for base: B=a²
Then a=√B
a=√25
a=5cm
I hope this helps.