A factory makes car batteries. The probability that a battery is defective is 1/4. If 400 batteries are tested, about how many are expected to be defective?

How much is a 3 fifth of a pound

The scale in a drawing is 2 cm : 5 m. What are the length and width of the actual room? Find the area of the actual room. 10 cm by 6 cm

Let F (x, y) be the statement "x can fool y," where the domain is the set of all people in the world. Translate each of the following English statements into logical expressions. (a) Everybody can fool somebody.

1. 4/5 - (-3/10) = 2. 5.5 - 8.1= 3. - 5 - 5/3= 4. - 8 3/8 - 10 1/6= 5. - 4.62 - 3.51=

Which is the missing number in the below Number Series? 2, 3, 5, 7, 11, 13,?, 19

Joe's house is 5.5 km from the creek, the distance between Jane's house and the creek is twice as far as Joe's house how much further is Jane's house from the creek than Joe's house in meters metric

John had 84 dollars, and his brother Fred owed 12 dollars to his friend. John gave his brother some money. Fred paid his debt and now both of them has the same amount left. How much money did John give Fred?

True or false: dilations map angles of the same degrees

The rental fee for a bike is $4 plus $1.50 per hour. Write an equation in slope-intercept from that models this situation.

Share 200 in the ratio 3:1:4