Write the phrase as an algebraic expression. Let x represent the unknown number.Six more than a number
A. x - 6
B. 6x
C. 
D. x + 6
Answer: D
Mathematics
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Make the following time conversion.7 minutes to seconds
A. 210 sec B. 168 sec C. 420 sec D. 84 sec
Mathematics
Solve and check your solutions.-18.9 = -2.1x
A. x = 16.8 B. x = 9 C. x = -16.8 D. x = 2
Mathematics
Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = 
, x ? -4 and g(x) = x2 + 4
A. Yes B. No
Mathematics
Solve the problem.The distance an object is from the ground after being tossed from a hot air balloon 830 feet in the air is a function of time: 
where y is height and t is the amount of time the object has been in the air. Predict the height of the object after 5.5 seconds. Round to the nearest hundredth.
A. 311.08 ft B. 0.00 ft C. 374.88 ft D. 773.35 ft
Mathematics