In order to use the t distribution, we must know the population standard deviation.

True or False?

3/4 of a $40 restaraunt bill is

20 days ago Of the Comic books available at the comic book store, 42% are Marvel Comics, 23% are Special Edition Comics and 12% are Marvel and Special Edition Comics. A comic book will be selected randomly from the comic book store.

1 4/5 miles - 5/6 mile=

Mary bought these art supplies: 4 paint brushes @ $1.29 each, 6 dowel rods @ $1.49 each, a jar of paste @ $1.25, and 2 canvases @ $6.00 each. How much change did she get from $40? A. $12.65 B. $10.45 C. $8.25 D. $9.35

Which statements are true for the following expression? 20 * (8 - 7) Check all that are true. The first factor is itself the sum of two terms. - All factors are the difference of two terms. D).

Mandy is asked to find the probability of rolling a 3 on a die and drawing an ace of spades from a deck of cards. This is a compound event. A. True B. False

What is the word form for 93,472,810

Matias stepmother uses 30% off coupon to buy the ingredients for huevos rancheros she spends $28 what is the regular price r of the ingredients before the discount?

There are two bookcases against a wall. If one takes up 4/7 of the wall and the other takes up 2/8 of the wall, how much of the wall is covered by bookcases?

Tori buys 27 packges of miniature racing cars. Each package contains 5 cars. About how many miniature racing cars does tori buy?