Which expression is undefined?

Negative 8 divided by (negative 8)

Negative 8 divided by 8

0 divided by 8

8 divided by 0

How many ounces are there in 13.5 pounds.

Fish Birds Dogs Cats Other 40 50 60 70 80 90 2. What percent of the dogs and cats sold were cats?

Show different ways you can group two factors in 3 x 2 x 7

A and b are independent events p (a) =.50 P (b) =.20 what is p (A/B)

Jessica has no books. wesley has 2 more books than jessica. how many books does wesley have?

Beccas dad told her that she needs to practice piano for two hours this week so far she has practiced 20 minutes on Monday a half an hour on Tuesday and 15 minutes on Wednesday how much longer does she need to practice?

Which lines are perpendicular to the line y - 1 = (x+2) ?

Josh rides his bike along a 9-mile trail. There are trail markers every mile. The markers start at mile and end at 9 miles. How many markers does Josh see on the trail? A. 1/27 B. 1/3 C. 3 D. 27

How many radians is - 135 degrees? I know the formula just don't know how to do it

Find the constant variation for xy=12