Simplify the algebraic expression by collecting and combining like terms.-6a + 5a2 + 9a
A. 3a + 5
B. 3a + 5a2
C. 8a3
D. 3a + 9a2
Answer: B
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Solve the problem.The orbit of a satellite had a period of T = 93.11 minutes. Calculate the semimajor axis of the orbit. 
and 
A. 6805 km B. 4.440 × 104 km C. 6.805 × 106 km D. 444 km
Find the area of the SAS triangle ABC. If necessary, round the answer to two decimal places.A = 83°, b = 9 cm, 
cm
A. 3.29 sq cm B. 53.60 sq cm C. 26.80 sq cm D. 27.01 sq cm
Solve the problem.A surveyor standing 70 meters from the base of a building measures the angle to the top of the building and finds it to be 35°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 50°. How tall is the radio tower?
A. 13.47 m B. 12.35 m C. 34.41 m D. 18.76 m
Solve the proportion. Write the solution in decimal form when applicable.
= 
A. 0.06
B. 3.9
C.
| 0.2535? |
D. 0.6