(HELP I BEG U ITS MULTIPLE CHOICE) Which of the following values of x solves the system shown below? (1) x= -5. 3x-2y= -19
(2) x=7. 2x+2y= -6
(3) x= -25
(4) x= -25

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?

Ameteorologist is studying the monthly rainfall in a section of the brazilian rainforest. she recorded the monthly rainfall, in inches, for last year. they were: 10.4, 10.3, 11.7, 11.1, 8.0, 4.4, 2.6, 1.8, 2.5, 4.4, 7.3, 9.5 fill in the missing values in the formula. what is the variance?

What is ha theorem a special case of?