A mother gives birth to a 7 pound baby. Every 2 months, the baby gains 2 pounds. If x is the age of the baby in months, then y is the weight of the baby in pounds. Find an equation of a line in the form y = mx + b that describes the baby's weight. y=

Find the missing factor in exponential form 48^2=3^2 • ?

What is the standard form of -5x^2+2x^4-11+x^3+3x

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?