Is it 2x +7= -3? If so the answer is -5
12 years old, cause when u multiply 12 times 4 u get 48 and 48 + 12= 57
Answer:
cos 78⁰.
Step-by-step explanation:
Use cos 2A = cos^2 A - sin^2 A
so cos^2 39 - sin^2 39 = cos (2*39) = cos 78.
Answer:
the answer in slope intercept is 15x+60
