Solve the system.A small airplane traveled 190 mph with a tailwind and 130 mph with a headwind. Find the speed of the wind and the speed of the airplane in still air.
A. speed of the wind was 25 mph, speed of the plane in still air was 155 mph
B. speed of the wind was 40 mph, speed of the plane in still air was 150 mph
C. speed of the wind was 30 mph, speed of the plane in still air was 160 mph
D. speed of the wind was 25 mph, speed of the plane in still air was 165 mph
Answer: C
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Find the sum of the given infinite geometric series.14 + 2.8 + 0.56 + . . .
A. 
B. 17.36
C. 
D. 
Divide, if possible. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 
Use TRACE to find the value of y for the given value of x.y = x2 + 4x - 2 x = 0
A. -2 B. 4 C. 0 D. 2
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
The science department is planning to buy some new equipment. They want to make sure that there is one of the new machines for every 5 students majoring in science. If each machine costs $450, how much should they budget for the new equipment?
A. $15,750 B. $11,250 C. $13,500 D. $18,000