Simplify the given expression.24
A. 16
B. 5
C. 6
D. 8
Answer: A
Mathematics
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Solve the problem.There is a 3-degree drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on the ground is 41 degrees, what will be the temperature when the plane reaches an altitude of 20,000 feet?
A. 19 degrees
B. 
degrees
C. 
degrees
D. 21 degrees
Mathematics
Solve for the specified variable.
= 
, for z
A. z = 
B. z = 
C. z = 
D. z = 
Mathematics
Solve the problem.Find two complementary angles such that the measure of the first angle is x°, and the measure of the second angle is (3x - 2)°.
A. 1st angle = 22°; 2nd angle = 64° B. 1st angle = 31°; 2nd angle = 59° C. 1st angle = 23°; 2nd angle = 67° D. 1st angle = 22°; 2nd angle = 68°
Mathematics
Solve.x2 = 4x
A. -4 B. 0, -4 C. 4 D. 0, 4
Mathematics