Solve the problem.Wind resistance or atmospheric drag tends to slow down moving objects. Atmospheric drag varies jointly as an object's surface area A and velocity v. If a car traveling at a speed of 60 mph with a surface area of 34 ft2 experiences a drag of 326.4 N (Newtons), how fast must a car with 44 ft2 of surface area travel in order to experience a drag force of 316.8 N?
A. 42 mph
B. 50 mph
C. 45 mph
D. 47 mph
Answer: C
Mathematics
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Given the graph of an equation of the form y = mx + b , what can be said about m and b?
A. m = 0, b < 0 B. m > 0, b < 0 C. m is undefined, b > 0 D. m = 0, b > 0
Mathematics
Find the approximate change in z when the point 
changes from 
to 
.
?
; from 
to 
?
A. ?
B. ?
C. ?
D. ?
E. 
Mathematics
Solve the problem.A box of cereal contains about 12 cups. A serving size is 
cup. About how many servings are in the box of cereal?
A. 3
servings
B. 5
servings
C. 16 servings
D. 9 servings
Mathematics
Round the number as indicated.20,821,414 to the nearest hundred thousand
A. 20,000,000 B. 20,821,000 C. 20,800,000 D. 21,000,000
Mathematics