For a standard normal distribution, which of the following expressions must always be equal to 1? PzS-a) - P (-aszsa) - P (Z2a)

Pizs-a) - P (-aszsa) + P (z? a)

O P (ZS-a) + P (-aszsa) - P (zea)

P (ZS-a) + P (-aszka) + P (728)

Monica has a 10% discount coupon for a furniture store. She sees a new table that she wants to buy. After the 10% discount was applied, Monica paid $270 for the table. What was the original price of the table?

Which shows a correct order to solve this story problem? Each morning Bree walks 1.2 miles. In the afternoon she walks 2.4 miles. How many miles will Bree have walked in 7 days? A. Step 1: Multiply 1.2 by 7. Step 2: Multiply 2.4 by 7.

How do you Calculate surface area for trapezoidal prisms

Six books stand on the bookshelf. The widths of the books are 1.2 cm, 0.8 cm, 2.4 cm, 1.9 cm, 1.5 cm, and 2.3 cm. What is the total width of the six books on the bookshelf?

What is 56.55 in percentage?

What is the mean for 0, 1,2,3

A phone company has a monthly cellular data plan where a customer pays a flat monthly fee and then a certain amount of money per megabyte (MB) of data used on the phone. If a customer uses 80 MB, the monthly cost will be $19.00.

Edith babysits for x hours a week after school at a job that pays $4 an hour. She has accepted a job that pays $8 an hour as a library assistant working y hours a week. She will work both jobs.

Rhea is a freelance writer. She works for multiple clients and has several sources of income. Some of her clients pay her more than $600 for her work. These clients always send a specific form to her where she has to report her gross payments.

An automobile dealer agrees to discount the $10,288 sticker price of a new car by 5% for a customer. What is the price of the car for the customer?