Pamela is making cupcakes. The recipe uses 5 ounces of chocolate fudge to make 20 cupcakes. How many ounces of chocolate fudge will be used to make 60 cupcakes?
A. 3 ounces
B. 4 ounces
C. 12 ounces
D. 15 ounces

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Will mark 50 show all what is the solution to the system of equations? use the substitution method and show your work. -5x+y= -3 -15 x+3y=7 explain what your answer in part (a) tells you about the association of the lines in this system.

Anumber is equal to twice a smaller number plus 3. the same number is equal to twuce the sum of the smaller number and 1. how many solutions are possible for this situation