Add or subtract. Simplify your answer to lowest terms.
- 
A. r + 9
B. r - 81
C. 
D. r - 9
Answer: D
Mathematics
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Estimate. Then find the actual product.(71.61)(19.21)
A. Estimate: 1410; Actual: 1374.6281 B. Estimate: 140; Actual: 13,756.281 C. Estimate: 1400; Actual: 1375.6281 D. Estimate: 140; Actual: 137.56281
Mathematics
Provide an appropriate response.Solve the inequality: 2x + 3 < 15 < 3x - 9
A. 2 < x < 9 B. 6 < x < 8 C. no solution D. 6 < x or x > 8
Mathematics
(4x + 11)(x + 3)
A. x2 + 23x + 22 B. 4x2 + 22x + 33 C. 4x2 + 23x + 33 D. x2 + 33x + 23
Mathematics
Graph the function.f(t) = 2 cos t 
A. 
B. 
C. 
D. 
Mathematics