Use the commutative law of addition to write an equivalent expression.8x + 7y
A. x8 + 8y
B. 7y + 8x
C. x8 + y7
D. 7x + y8
Answer: B
Mathematics
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Solve by the method of elimination by substitution.x + 8y = 0x - 8y = 80
A. x = 40, y = 5 B. x = 8, y = -1 C. x = 40, y = -5 D. x = -5, y = 40
Mathematics
Determine whether the relation is a function.
A. Not a function B. Function
Mathematics
Use the properties of equality to solve the equation.8z = 
A. 
B. - 
C. - 
D. 
Mathematics
Find the specified quantity.Find the phase shift of y = 5 + 3 sin 
.
A. 
B. 
C. - 
D. - 
Mathematics