What number does x stand for in this equation? - 7x + 6= 27
A
21
B
2
C-3
D-7

Polynomial that can be factored as (3x-4)(3x+4)

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle