Decide whether the problem is an equation or an expression.x + y - 4
A. Expression
B. Equation
Answer: A
Mathematics
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The length of one leg of a right triangle is 4 centimeters more than the length of the other leg. The length of the hypotenuse is 20 centimeters. Find the lengths of the two legs.
A. 9 cm, 14 cm B. 15 cm, 17 cm C. 10 cm, 14 cm D. 12 cm, 16 cm E. 14 cm, 18 cm
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible.log3 
A. log3 8 + log3 5 B. log3 8 - log3 5 C. log3 5 - log3 8 D. log3 2 - log3 5
Mathematics
Solve the given equation for x.y = -5 sin 8x
A. x = - 
sin-1 
B. x = 
sin-1 
C. x = 
sin-1 
D. x = 
sin-1 
Mathematics
Solve the problem.Find f(?) if 
= x sin 4x.
A. 4 B. 0 C. ? D. 4?
Mathematics