Consider the division expression 7 ½ ÷ 2. Select all multiplication equations that correspond to this division expression.

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.)

Kate has 50 quarters and dimes. she has a total of $9.80. how many dimes that she have?

Suppose $r$ and $s$ are the values of $x$ that satisfy the equation \[x^2 - 2mx + (m^2+2m+3) = 0\]for some real number $m$. find the minimum real value of $r^2+s^2$.