Combine like terms whenever possible.7x2 + 15x - 18x2 + 9x
A. 11x2 - 24x
B. -11x2 - 24x
C. 11x2 + 24x
D. -11x2 + 24x
Answer: D
Mathematics
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Determine the value of the logarithm. Round to the nearest hundredth.log 4 7.6
A. 0.64 B. 2.81 C. 0.68 D. 1.46
Mathematics
Simplify and add or subtract wherever possible.
- 3
- 7
A. 62
B. 57
C. -108
D. -62
Mathematics
Use the properties of exponents to simplify the expression. Write with positive exponents.
A. x67/84
B. 
C. x109/84
D. 
Mathematics
Solve the problem.Find the height of a pine tree that casts a 48-foot shadow on the ground assuming that the angle of elevation from the point on the ground at the tip of the shadow to the sun is 63°. Round your answer to the nearest foot.
A. 94 ft B. 43 ft C. 24 ft D. 22 ft
Mathematics