9x-2y=-40 should be the answer
Answer:
126ft^2
Step-by-step explanation:
1/2 * 7/4 = 7/8 in^2
1/2 here = 6 ft
1 in = 12ft
3/4 = 9 ft
6*21 = area
126ft^2
The answer is -30, because when sin equal to -0.5 the line will in the fourth section. So, -30 is B
