A livestock company reports that the mean weight of a group of young steers is 1143 pounds with a standard deviation of 92 pounds. Based on the model N(1143,92) for the weights of steers, what percent of steers weigh a) over 1150 pounds?
b) under 950 pounds?
c) between 1050 and 1100 pounds?

Fawn bought a total of 70 cakes for a tea party. she spent $3,025. fawn bought vanilla cakes for $22 each and a fruit filled cake for $55 each. the system of equations below can be used to find the number of vanilla cakes, v, and the number of fruit filled cakes, f, fawn purchased. which system of equations has the same solution as the system below.