Solve the problem.If a15 = -94 and a12 = -76 are terms of an arithmetic sequence, find a1.
A. -10
B. -6
C. -16
D. -22
Answer: A
Mathematics
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Find the indicated term for the arithmetic sequence with first term, a1, and common difference, d.Find a8, when a1 = -4, d = 4.
A. -36 B. 28 C. -32 D. 24
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places.a = 12, b = 15, C = 52°
A. 70.92 B. 141.84 C. 88.80 D. 35.46
Mathematics
Graph the solution set of the system of inequalities.y > -2x ? -3
A. 
B. 
C. 
D. 
Mathematics
Use the distributive property to find the product.(x - 6y)(x - 12y)
A. x2 - 21xy + 72y2 B. x2 - 18xy - 18y2 C. x2 - 18xy + 72y2 D. x - 18xy + 72y
Mathematics