When is a protractor preferred to a ruler when finding a measurement

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.