Members of the choir are baking cookies for a fundraiser. it costs $2.25 to make a dozen cookies, and the choirs initial expenses were $15.75. they sell the cookies for $4.50 a dozen. how many dozen do that have to sell to cover their cost

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

How many grams the dog will eat in 3 days?

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265