Decide if the given value for the variable is a solution to the inequality (Y/N).
x - 
? -8 + x; x = 7
A. No
B. Yes
Answer: A
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Solve using the multiplication principle.- 
y = 26
A. -78 B. -104 C. -100 D. -30
Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will decrease according to the formula B(x) = 0.12x. How much will today's dollar be worth in 3 years? Round the answer to the nearest cent.
A. $0.36 B. $0.00 C. $0.53 D. $1.14
Solve the problem.The distance d in miles that can be seen on the surface of the ocean is given by d = 1.2
, where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 11.5 miles?
A. 96 ft B. 92 ft C. 158 ft D. 132 ft
Find the range of the quadratic function in interval notation.f(x) = -3x2 - 3x
A. (-?, 
B. (-?, 
C. (-?, 
D. (-?, 