Select the correct answer. Which expression is equivalent to cos (1.4x) - cos (0.6x) ? A. - 2sin x sin (0.4x) B. 2sin x sin (0.4x) C. - 2cos x cos (0.4x) D. 2cos x cos (0.4x)

Which inequality has infinitely many negative integer solutions A. X > - 5 B. 5 < X C. X ≥ - 10 D. X ≤ 10

The sum of the square and 34 written in equation form

The arc length of an arc subtended by an angle measuring 11π/18 radians is 78.6 inches. What is the radius of the arc? approximately 36.5 inches approximately 40.9 inches approximately 48.0 inches approximately 128.6 inches

If sinxcos (pi/7) - sin (pi/7) cosx=-sqrt2/2 then x can equal?

Is two distinct lines with same x intercept parallel?

How to make 105% into a fraction?

Bobby is dividing 50 feet below sea level at the beach. His sister is at the swimming pool deck, which is 15 feet above sea level What is the difference, in feet between the pool deck and Bobby's position?

Jim is a paratrooper who has to land on a moving aircraft carrier. If his plane is flying with 90 miles per hour, he will be an hour early for the intercross.

Add the two expressions. -6.5b+11 and 3.3b-2 Enter your answer in the box.

200,000 70,000 4,000 500 4, in expanded form