Simplify the expression by combining like terms. -5.5h + 7.7h
A. -13.2h
B. 2.2h
C. -2.2h
D. 13.2h
Answer: B
Mathematics
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Simplify the expression and eliminate any negative exponent(s). Assume that all letters denote positive numbers.  figure 1.png)
What will be an ideal response?
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Use the composition cancellation equations to decide whether or not the functions are inverses of each other.f(x) = 
and g(x) =
A. Yes B. No
Mathematics
Find the least common multiple for the set of numbers.120, 270
A. 30 B. 2160 C. 1080 D. 3240
Mathematics
Determine whether the given ordered set of numbers is a solution of the system of equations.(-5, -6)3x + y = -214x + 3y = -38
A. Yes B. No
Mathematics