Which expression is equivalent to 4-(-7)?
A. 7 + 4
B. 4-7
C. -7-4
D. -4 + 7
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Hurry which expression is equivalent to 3√x^5y?

Would greatly appreciate these 3 answers

Aci is desired for the true average stray-load loss μ (watts) for a certain type of induction motor when the line current is held at 10 amps for a speed of 1500 rpm. assume that stray-load loss is normally distributed with σ = 2.3. (round your answers to two decimal places.)