Step-by-step explanation:
a=7
=6a^2
=6×(7)^2
=6×49
=294
Answer:
5.6<x<∞
x has to be no less than or equal to 2.8+2.8. So, x>5.6
x is less than∞
x = 30 degrees
the sales tax is close to 217.94
