11. A model submarine is 3 ft long. If it was built with a scale of 2ft : 75 ft, how long is the real submarine? A. 50 Ft B. 112.5 Ft C. 150 Ft D. 225 Ft please help.​

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Solve -2(4y + 6) = 52. 5 -5 8 -8 and !