Petra's Carryout Pizza delivers pizzas and calzones. The first delivery of the night consisted of opizzas
and 7 calzones, weighing 256o. The second delivery
was 6 pizzas and 5 calzones, weighing 212.02.
Create a systems of equations that represents
this situation. Then solve it to find out how
much each pizza and calzone weighs.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

According to a study done by de anza students, the height for asian adult males is normally distributed with an average of 66 inches and a standard deviation of 2.5 inches. suppose one asian adult male is randomly chosen. let x = height of the individual. a) give the distribution of x. x ~ b) find the probability that the person is between 64 and 69 inches. write the probability statement. what is the probability?