there are chickens and cows in a pasture. the farmer counts 40 heads and 100 feet. how many cows are in the pasture, and how many chickens are in the pasture?

09:57:09 Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other two sides of this triangle? 5 cm and 8 cm 6 cm and 7 cm 7 cm and 2 cm 8 cm and 9 cm

Javier bought 48 sport cards at a yard sale. Of the cards 3/8 were basketball cards. How many cards were baseball cards?

If you assume that a pair of rabbits produces 6 offspring and that half are male and the other half female and each pair breeds only once, how many will be produced each year for five years?

What do birds such as eagles and hawks need energy for? A) flying B) breathing C) digesting food D) all of the above

Is 3 + (-4) the same as - 4 + 3

It costs $5 to become a member of a video game club. After that, video games 10 each with a 7% tax on each game. If you spent $69.20 TOTAL, how many video game did you buy?

Lisa and valerie are picnicking in Trough Creek State Park in Pennsylvania. Lisa has brought a salad that she has made with 3/4 cup of strawberries, 7/8 cup of peaches, and 1/6 cup of blueberries. They ate 11/12 cup of salad.

there are four colors red white black and blue on a spinner and there is a coin. what is the probability of spinning a red and heads?

Sodium-24 has a half-life of 15 hours. How many grams of a 900 g sample will remain after 90 hours? A) 7.03125 g B) 7.5 g C) 14.0625 g D) 28.125 g

Find the area of a parallelogram with the base 15 yards in the height 21 2/3 yards