How much of an alloy with 30% copper must be added to 25 pounds of a second alloy which is 20% copper to create a 27% alloy?

Which ordered pairs are in the solution set of the system of linear inequalities? y > - 1/2x y < 1/2x + 1 A (5, - 2), (3, 1), (-4, 2) B (5, - 2), (3, - 1), (4, - 3) C (5, - 2), (3, 1), (4, 2) D (5, - 2), (-3, 1), (4, 2)

One season, the cougars won 20 games. they played 25 games. use equation 20+g=25 to find good, the number of games the team lost

Josephine wants to put a wallpaper border around the ceiling of her room. The dimensions are shown below. How many feet of border does she need 10 9/12 ft by 8 1/2ft

akua went shopping and she decided to buy 1.8LBS of apples and 3LBS of strawberries. the apples where on sale for $1.99 per pound and the strawberries cost 2.00 per pound. how much did she spend in total?

How to solve this - 13=r/9 + 8

Including himself, Tony has four people in his family. About how many cans of tuna would be needed to make a tuna sandwich for each person in his family? A 8 B 2 C 4 D 1

What is 7,298,341 rounded to the nearest 10000

How are the two angles related 60 120

If over a few weeks mako saw 24 mosquitoes how many flying insects did she see

Explain how you could add 678+303