Afrozen yogurt is sold for $2.25 plus $0.25 for each topping added. if y represents the total cost and x represents the total number of toppings added, which function rule describes this pattern?

If m∠c = 147°, determine m∠e. 147° 57° 33° 180°

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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”?