Solve the problem.Andrea is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $210 for materials and equipment rental plus $45 per hour for labor. Company B gave an estimate of $300 for materials and equipment rental plus $30 per hour for labor. Determine how many hours of labor will be required for the two companies to cost the same.
A. 10 hr
B. 9 hr
C. 6 hr
D. 5 hr
Answer: C
Mathematics
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Solve the problem. If necessary, round to the nearest tenth.On a sunny day, a building and its shadow form the sides of a right triangle. If the hypotenuse is 33 m long and the shadow is 25 m, how tall is the building?
A. 21.5 m B. 24.3 m C. 41.4 m D. 8.0 m
Mathematics
Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 38°, find the length of OV accurate to four decimal places. 
A. 1.6243 B. 0.7880 C. 0.6157 D. 1.2690
Mathematics
Identify the number as prime, composite, or neither.60
A. Neither B. Composite C. Prime
Mathematics
The rectangular coordinates of a point are given. Find polar coordinates of the point. Express ? in radians.(2, -2
)
A. 
B. 
C. 
D. 
Mathematics