Use a calculator to find the acute angle ?, to the nearest degree, that satisfies the equation.cos ? = 0.9
A. 31°
B. 9°
C. 26°
D. 0°
Answer: C
Mathematics
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Describe the given set of points with a single equation or with a pair of equations.The plane perpendicular to the y-axis and passing through the point (9, -5, -10)
A. x - 5 + z = 0 B. y = -5 C. 9x - 10z = 0 and y = -5 D. x = 9 and z = -10
Mathematics
Graph the function.y = - 
sin 
A. 
B. 
C. 
D. 
Mathematics
A formula is given along with the values of all but one of the variables in the formula. Find the value of the variable not given.V = 
Bh; V = 12, h = 3
A. 15 B. 36 C. 4 D. 12
Mathematics
Find the sum or difference and reduce to lowest terms.
- 
- 
A. 
B. 
C. 
D. 
Mathematics